Page 1
TL642C & TL943CElectrical Schematic
31200830
Sheet 1 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
TRANSMISSION LEGEND
GEAR ACTIVATED TRANS SOLENOIDS
F1 E5, E1
F2 E5, E2
F3 E5, E3
F4 E6, E3
R1 E4, E1
R2 E4, E2
R3 E4, E3
N NO SOLENOIDS INGAUGED
SEESHEET 2
12 1113 151416202122 2331
KE
Y B
AT P
WR
KE
Y IG
N
KE
Y A
CC
GA
GE
PW
R
ST
EE
R/S
WAY
PW
R
HO
RN
PW
R
TR
AN
/BR
K P
WR
KE
Y S
TAR
T
DA
SH
GN
D
RE
VE
RS
E
ST
R C
RB
ST
R A
W
HO
RN
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
TR
AN
S S
OL
Y3
RE
VE
RS
E S
OL
TR
AN
S S
OL
TR
AN
S S
OL
Y5
PR
K B
RK
SO
L
FU
L LV
L
ST
RLY
WA
IT T
O S
TAR
T L
TE
NG
WA
RN
LT
EN
G S
TOP
LT
TH
R S
UP
/911
TH
R S
GN
/915
TH
R R
TN
/914
910
AC
CLU
TC
H
PR
K B
RK
SO
L
SH
IFT
PW
R 1
SH
IFT
ER
GN
D
30 29
KE
Y S
W S
IG
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
SP
BAT
PW
R
SP
AC
CY
PW
R
71 32 54 6 8
SH
IELD
CA
N L
CA
N H
26 111 23 5 4 7 698 101915 13 1214 17 1618 20 2221 24232530 2827 2931
IVR
ON
-ID
LE
IVS
RE
GE
N P
WR
TIL
T D
N
TR
AN
S T
MP
SW
HORN
MAIN DASH PANEL GAUGE
6 5 4
13 2
TRANS TMP WRN
PARK BRAKE
KEY/IGNSWITCH
ENG STOPD
AS
H G
ND
PR
K B
RK
SO
L
DA
SH
GN
D
GA
GE
PW
R
HO
RN
PW
R
STEER/SWAY PWR
ST
R A
W
ST
R C
RB
HO
RN
FU
L LV
L
TR
AN
S T
MP
SW
EN
G S
TOP
LT
ST
RLY
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
THROTTLE
SP BAT PWRSP ACCY PWR
AC CLUTCH
CA B D E F
WILLIAMS
TH
R S
UP
/911
TH
R S
GN
/915
TH
R R
TN
/914
KE
Y S
TAR
T
TR
AN
/BR
K P
WR
RE
VE
RS
E
TR
AN
S T
MP
SW
IVS
ON
-ID
LE IVR
TIL
T U
P
12 TURNSPER FOOT
TWIST
CONTROLS
STEER MODE
8787a
30 8586 863087a
87 85
1 8532 4 6 7
(D B
LU, 1
8 G
A G
XL)
(RE
D, 1
8 G
A G
XL)
(OR
G, 1
8 G
A G
XL)
(D B
LU, 1
8 G
A G
XL)
(BLK
, 18
GA
GX
L)
(RED, 18 GA GXL)
(RED, 18 GA GXL)
RE
VE
RS
E S
OL
PLU
GG
ED
SH
IFT
ER
GN
D
SH
IFT
ER
GN
D
SH
IFT
ER
GN
D
PLU
GG
ED
3 4 5 21 13 4 25
TR
AN
S S
OL
Y6
REVERSERELAY
WARN LIGHTTEST RELAY
DASH PANEL HARNESS
CAB CONTROL HARNESS
WAIT TO START
ENG WARN(RED, 18 GA GXL)
(CA
N H
/904
)(C
AN
L/9
05)
(SH
IELD
/020
)
ABC
SH
IELD
ED
CA
BLE
(OR
G, 1
8 G
A G
XL)
EN
G W
AR
N L
TW
AIT
TO
STA
RT
LT
(RED, 18 GA GXL)
(WH
T, 1
8 G
A G
XL)
(CA
N H
/904
, YE
LLO
W)
(CA
N L
/905
,GR
EE
N)
(SH
IELD
/020
)
ABCABC
(CAN H/904, YELLOW)(CAN L/905, GREEN)
(SHIELD/020)
DC
LUT
CH
IN
DCLUTCH IN
(SH
IELD
/020
)(C
AN
L/9
05,G
RE
EN
)(C
AN
H/9
04, Y
ELL
OW
)
(CAN L/905,GREEN)(CAN H/904, YELLOW)
KEY IGNTILT UPTILT DN
DCLUTCH
SEE SHEET 3
STA
B/T
ILT
PW
R
TIL
T U
P
25
TIL
T D
N
26
DC
LUT
CH
27
AUX AAUX B
ACC MOD GND
18 19 24
AU
X A
AU
X B
AC
C M
OD
GN
D
(SHIELD/020)
PRK BRK SOL
ABC
ABC
ABC
CAN TERMINATOR
120 OHM
17
GN
D F
AU
LT
EC
M IG
N
12
3
4
56
7
1
2
3
4
56
72
3
TR
AN
S S
OL
Y5
TR
AN
S S
OL
TR
AN
S S
OL
Y6
TR
AN
S S
OL
Y3
PLU
GG
ED
PR
K B
RK
SO
L
RE
VE
RS
E S
OL
TR
AN
S S
OL
Y1
KE
Y S
W S
IGS
HIF
T P
WR
1P
LUG
GE
D
PLU
GG
ED
GND FAULT
31 2 4 5 6
1
2
3
4
56
7 8
9 10DPF REGEN
DEF (OPT)
HEST (OPT)
7 8
RE
GE
N D
IS L
AM
PD
PF
SO
OT
LA
MP
HE
ST
LA
MP
RE
GE
N F
OR
CE
SW
RE
GE
N IN
H S
W
SH
IFT
ER
GN
D
RE
GE
N F
OR
CE
SW
RE
GE
N D
IS L
AM
PR
EG
EN
INH
SW
PLU
GG
ED
DP
F S
OO
T L
AM
PH
ES
T L
AM
P
RE
GE
N P
WR
PLU
GG
ED
RE
GE
N F
OR
CE
SW
RE
GE
N D
IS L
AM
PR
EG
EN
INH
SW
DE
F L
AM
P
DP
F S
OO
T L
AM
PH
ES
T L
AM
P
RE
GE
N P
WR
YE
L
RE
D
TILT TILTUP DOWN
1 2 3 54 6
RE
DB
LKG
RY
BLU
PLU
GP
LUG
STA
B/T
ILT
PW
R
TIL
T U
P
TIL
T D
N
ST
D J
OY
PW
R
ST
D J
OY
PW
RS
TD
JO
Y P
WR
PLU
GG
ED
PLU
GG
ED
TILTSPEED
STANDARDJOYSTICK
12
1 2 3 4
STA
B/T
ILT
PW
R
TIL
T U
PT
ILT
DN
SH
IFT
ER
GN
D
SHIFTER HARNESSDT06-4STO TILT ON JOYSTICKROLLER OPTION
SHIFTER
SHIFTER GND
TL642C
1 2 643 5 7 8 9 10 11 12
F
R
SW1F
R
SW2N N
1
2
3
4
SW3
1
2
3
4 SW4
REGEN HARNESS
CONNECTOR 1 SHEET 4
CONNECTOR 2 SHEET 4
D1
D2
(OR
G, 1
8 G
A G
XL)
28
EC
M IG
N
CAB
Page 2
TL642C & TL943CElectrical Schematic
31200830
Sheet 1 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
TRANSMISSION LEGEND
GEAR ACTIVATED TRANS SOLENOIDS
F1 E5, E1
F2 E5, E2
F3 E5, E3
F4 E6, E3
R1 E4, E1
R2 E4, E2
R3 E4, E3
N NO SOLENOIDS INGAUGED
SEESHEET 2
12 1113 151416202122 2331
KE
Y B
AT P
WR
KE
Y IG
N
KE
Y A
CC
GA
GE
PW
R
ST
EE
R/S
WAY
PW
R
HO
RN
PW
R
TR
AN
/BR
K P
WR
KE
Y S
TAR
T
DA
SH
GN
D
RE
VE
RS
E
ST
R C
RB
ST
R A
W
HO
RN
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
TR
AN
S S
OL
Y3
RE
VE
RS
E S
OL
TR
AN
S S
OL
TR
AN
S S
OL
Y5
PR
K B
RK
SO
L
FU
L LV
L
ST
RLY
WA
IT T
O S
TAR
T L
TE
NG
WA
RN
LT
EN
G S
TOP
LT
TH
R S
UP
/911
TH
R S
GN
/915
TH
R R
TN
/914
910
AC
CLU
TC
H
PR
K B
RK
SO
L
SH
IFT
PW
R 1
SH
IFT
ER
GN
D
30 29
KE
Y S
W S
IG
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
SP
BAT
PW
R
SP
AC
CY
PW
R
71 32 54 6 8
SH
IELD
CA
N L
CA
N H
26 111 23 5 4 7 698 101915 13 1214 17 1618 20 2221 24232530 2827 2931
IVR
ON
-ID
LE
IVS
RE
GE
N P
WR
TIL
T D
N
TR
AN
S T
MP
SW
HORN
MAIN DASH PANEL GAUGE
6 5 4
13 2
TRANS TMP WRN
PARK BRAKE
KEY/IGNSWITCH
ENG STOPD
AS
H G
ND
PR
K B
RK
SO
L
DA
SH
GN
D
GA
GE
PW
R
HO
RN
PW
R
STEER/SWAY PWR
ST
R A
W
ST
R C
RB
HO
RNF
UL
LVL
TR
AN
S T
MP
SW
EN
G S
TOP
LT
ST
RLY
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
THROTTLE
SP BAT PWRSP ACCY PWR
AC CLUTCH
CA B D E F
WILLIAMSCONTROLS
TH
R S
UP
/911
TH
R S
GN
/915
TH
R R
TN
/914
KE
Y S
TAR
T
TR
AN
/BR
K P
WR
RE
VE
RS
E
TR
AN
S T
MP
SW
IVS
ON
-ID
LE IVR
TIL
T U
P
12 TURNSPER FOOT
TWIST
STEER MODE
8787a
30 8586 863087a
87 85
1 8532 4 6 7
(D B
LU, 1
8 G
A G
XL)
(RE
D, 1
8 G
A G
XL)
(OR
G, 1
8 G
A G
XL)
(D B
LU, 1
8 G
A G
XL)
(BLK
, 18
GA
GX
L)
(RED, 18 GA GXL)
(RED, 18 GA GXL)
RE
VE
RS
E S
OL
PLU
GG
ED
SH
IFT
ER
GN
D
SH
IFT
ER
GN
D
SH
IFT
ER
GN
D
PLU
GG
ED
3 4 5 21 13 4 25
TR
AN
S S
OL
Y6
REVERSERELAY
WARN LIGHTTEST RELAY
DASH PANEL HARNESS
CAB CONTROL HARNESS
WAIT TO START
ENG WARN(RED, 18 GA GXL)
(CA
N H
/904
)(C
AN
L/9
05)
(SH
IELD
/020
)
ABC
SH
IELD
ED
CA
BLE
(OR
G, 1
8 G
A G
XL)
EN
G W
AR
N L
TW
AIT
TO
STA
RT
LT
(RED, 18 GA GXL)
(WH
T, 1
8 G
A G
XL)
(CA
N H
/904
, YE
LLO
W)
(CA
N L
/905
,GR
EE
N)
(SH
IELD
/020
)
ABCABC
(CAN H/904, YELLOW)(CAN L/905, GREEN)
(SHIELD/020)
DC
LUT
CH
IN
DCLUTCH IN
(SH
IELD
/020
)(C
AN
L/9
05,G
RE
EN
)(C
AN
H/9
04, Y
ELL
OW
)
(CAN L/905,GREEN)(CAN H/904, YELLOW)
KEY IGNTILT UPTILT DN
DCLUTCH
SEE SHEET 3
STA
B/T
ILT
PW
R
TIL
T U
P
25
TIL
T D
N
26
DC
LUT
CH
27
AUX AAUX B
ACC MOD GND
18 19 24
AU
X A
AU
X B
AC
C M
OD
GN
D
(SHIELD/020)
PRK BRK SOL
ABC
ABC
ABC
CAN TERMINATOR
120 OHM
17
GN
D F
AU
LT
EC
M IG
N
12
3
4
56
7
1
2
3
4
56
72
3
SHIFTER
1 2 643 5 7 8 9 10 11 12
PLU
GG
ED
TR
AN
S S
OL
TR
AN
S S
OL
Y6
TR
AN
S S
OL
Y3
RE
VE
RS
E S
OL
PR
K B
RK
SO
LT
RA
NS
SO
L Y
5
TR
AN
S S
OL
Y1
PLU
GG
ED
SH
IFT
PW
R 1
KE
Y S
W S
IGP
LUG
GE
D
GND FAULT
31 2 4 5 6 7 8
RE
GE
N D
IS L
AM
PD
PF
SO
OT
LA
MP
HE
ST
LA
MP
RE
GE
N F
OR
CE
SW
RE
GE
N IN
H S
W
SH
IFT
ER
GN
D
RE
GE
N F
OR
CE
SW
RE
GE
N D
IS L
AM
PR
EG
EN
INH
SW
PLU
GG
ED
DP
F S
OO
T L
AM
PH
ES
T L
AM
P
RE
GE
N P
WR
YE
L
RE
D
TILT TILTUP DOWN
1 2 3 54 6
RE
DB
LKG
RY
BLU
PLU
GP
LUG
STA
B/T
ILT
PW
R
TIL
T U
P
TIL
T D
N
ST
D J
OY
PW
R
ST
D J
OY
PW
RS
TD
JO
Y P
WR
PLU
GG
ED
PLU
GG
ED
TILTSPEED
STANDARDJOYSTICK
12
1 2 3 4
STA
B/T
ILT
PW
R
TIL
T U
PT
ILT
DN
SH
IFT
ER
GN
D
SHIFTER HARNESSDT06-4STO TILT ON JOYSTICKROLLER OPTION
SHIFTER GND
F
R
SW1F
R
SW2N N
1
2
3
4
SW3
1
2
3
4 SW4
TL642C
CONNECTOR 1 SHEET 4
CONNECTOR 2 SHEET 4
D1
D2
(OR
G, 1
8 G
A G
XL)
28
EC
M IG
N
CAB
Page 3
TL642C & TL943CElectrical Schematic
31200830
Sheet 2 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
OPTIONSFUSE LEGEND
F1 20A WIPER PWR F2 5A 5A ROOF WIPER PWRF3 15A 15A OPTION PWR 2F4 25A 25A OPTION PWRF5 20A HEATER/BLOWER PWRF6 30A LIGHT PWRF7 10A BEACON PWRF8 10A DASH FAN PWR
AC SW
(RE
D/W
HIT
E)
25A OPT GND
PRESSURE SWITCH
(RE
D)
(BLA
CK
)
A/C SWITCH
THERMOSTATICSWITCH A/C
AC CLUTCH
AC SW
PRS SWSEE SHEET 1
25A
OP
T25
A O
PT
GN
D
FAN
SW
C
A/CRELAY
M
CONNECTOR 3 SHEET 4
6 1 3213 419 1517 8 10 1175 12 14 916 18
BEACON
OPTIONS VEC
WORKLIGHTS
C
L
BLOWER
M H
B
L W BP
H
WIPER
HTR TEMP
B CA
8K OHM
LEFT
CAB LIGHTS
RIGHT
WIPER MOTOR
M
AB BEACON
BA C
24 K
OH
M,1
W
M
BA D
M
AB
AA
B
21
43
65
78
1 2 3 54 6
M
107 8 9
EM
PT
YE
MP
TY
EM
PT
YE
MP
TY
EM
PT
YE
MP
TY
EM
PT
Y
EM
PT
YE
MP
TY
EA
CB
DF PLUGGED
51 32 4 6 87 9 10 1211
PLU
GG
ED
PLU
GG
ED
PLU
GG
ED
PLUGGED
AU
X R
LYS
PW
RK
EY
AC
C
SID
ES
HIF
T
OP
T P
WR
1
STO
P L
TW
OR
K L
T
EX
TR
AS
WIN
G
MA
ST
OP
T P
WR
4O
PT
PW
R 3
OP
T P
WR
2
OP
T G
ND
2O
PT
GN
D 1
KEY ACC
AUX ELEC PWR
STOP LTM
AS
T
OP
T P
WR
1
SID
ES
HIF
T
OP
T P
WR
2
SW
ING
OP
T P
WR
3
EX
TR
A
OP
T P
WR
4
OP
T G
ND
1O
PT
GN
D 2
D F
AN
GN
D
D FAN GND D FAN GND
D F
AN
GN
D
AU
X S
W G
ND
AU
X S
W G
ND
SW2 87A
SW
2 87
A
SW2 86
SW
2 86
SW1 87A
SW
1 87
A
SW1 86
SW
1 86
DOME/BCN GND DOME/BCN GND DOME/BCN GND
DOME/BCN GND
DOME/BCN GND
CAB LT GND CAB LT GND CAB LT GND
CAB LT GND
CAB LT GND
HEATER GND
HEATER GND HEATER GND
HE
ATE
R G
ND H
EAT
ER
GN
D
HE
ATE
R G
ND
S/W LT PWR S/W LT PWR
BCN PWRD FAN PWR
D FAN PWR D FAN PWR
D F
AN
PW
R
WIPER PWR
WIPER PWR WIPER PWR
WIP
ER
PW
R
HEATER PWR
HEATER PWR HEATER PWR
HE
ATE
R P
WR
HE
ATE
R P
WR
HE
ATE
R P
WR
CAB LT PWRDOME LT DOME LT DOME LT DOME LT
STOP LT
STOP LT
S/W LT PWR
S/W LT PWR
BCN PWR BCN PWR
BCN LT
CAB LT PWR CAB LT PWR
CAB LTS
CAB LTS
WORK LTWORK LT
HT
R C
NT
RL
B
HT
R C
NT
RL
A
WA
SH
ER
WA
SH
ER
WIP
ER
PA
RK
WIP
ER
LO
WIP
ER
HI
WIP
ER
HI
WIP
ER
LO
WIP
ER
PA
RK
HE
ATE
R H
IH
EAT
ER
ME
DH
EAT
ER
LO
W
AB
A B
5A R
OO
F W
IPE
R P
WR
15A
OP
T 2
25A
OP
T
25A
OP
T G
ND
15A
OP
T 2
GN
D5A
RO
OF
WIP
ER
GN
D
5A R
OO
F W
IPE
R P
WR
5A R
OO
F W
IPE
R G
ND
15A
OP
T 2
15A
OP
T 2
GN
D
25A
OP
T25
A O
PT
GN
D
PLU
GG
ED
8587 8687a
308587 8687a
30
F4
BLACK-1GH F DE C
1525 5
F3
8787a
30 8586
F2
OPTION (15A)
EGRAY-2
HAB G F D BC A
AUX ELEC2
8787a
30 8586
87a
30 87
OPTION (25A)
8586
8787a
30 86 85
AUX ELEC1
HEATER/BLOWER
LIGHTS
8787a
30 8586
WIPER
BCN/FAN
8787a
30 8586
F7
F6 30
10
10F8
20F5
20F1
GH
BLU
E-3
FEDCBA
H
GR
EE
N-4
GFEDCBA
PLU
GG
ED
QC
GN
D
AUXELECTRICOPTION
OPTIONS HARNESS
ENCLOSED CABOPTION
WORKLIGHT/BEACON
IF EQUIPPED
OP
TIO
N 2
15 A
OP
TIO
N25
A
STOPLIGHTSWITCH
DOMELIGHT
WINDSHIELDWASHERMOTOR
DASHFAN
BLOWERMOTOR
HEATERVALVE
RESISTOR LOCATED APPROX 10" BEHINDHEATER TEMP SWITCHCONNECTION IN ENCLOSED CAB OPTIONS HARNESS
M
ROOF WIPERMOTOR
~
17A MM
CONDENSER FANS(ON ROOF)
B25A OPT GNDRLY 87
A
86 8530
a87
PLU
GG
ED
PLU
GG
ED
PLU
GG
ED
MA
ST
SID
ES
HIF
T
SW
ING
EX
TR
A
AU
X S
W G
ND
SW
2 87
AS
W2
86
SW
1 87
A
SW
1 86
12
3
4
5 6
7
86 8530
87A
QC
PW
R 1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
QUICK CONNECT
1
2
3
4
56
7
1
2
3
4
56
7
AUX ELECTRICS
AU
X E
LEC
PW
RA
UX
RLY
S P
WR
2
3
12
3
4
56
LIGHTS, HEATER, A/C, WIPERS - IF EQUIPPED
Page 4
TL642C & TL943CElectrical Schematic
31200830
Sheet 2 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
LIGHTS, HEATER, A/C, WIPERS - IF EQUIPPED
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
OPTIONSFUSE LEGEND
F1 20A WIPER PWR F2 5A 5A ROOF WIPER PWRF3 15A 15A OPTION PWR 2F4 25A 25A OPTION PWRF5 20A HEATER/BLOWER PWRF6 30A LIGHT PWRF7 10A BEACON PWRF8 10A DASH FAN PWR
AC SW
(RE
D/W
HIT
E)
25A OPT GND
PRESSURE SWITCH
(RE
D)
(BLA
CK
)
A/C SWITCH
THERMOSTATICSWITCH A/C
AC CLUTCH
AC SW
PRS SWSEE SHEET 1
25A
OP
T25
A O
PT
GN
D
FAN
SW
C
A/CRELAY
M
6 1 3213 419 1517 8 10 1175 12 14 916 18
BEACON
OPTIONS VEC
WORKLIGHTS
C
L
BLOWER
M H
B
L W BP
H
WIPER
HTR TEMP
B CA
8K OHM
LEFT
CAB LIGHTS
RIGHT
WIPER MOTOR
M
AB BEACON
BA C
24 K
OH
M,1
W
M
BA D
M
AB
AA
B
21
43
65
78
1 2 3 54 6
M
107 8 9
EM
PT
YE
MP
TY
EM
PT
YE
MP
TY
EM
PT
YE
MP
TY
EM
PT
Y
EM
PT
YE
MP
TY
EA
CB
DF PLUGGED
51 32 4 6 87 9 10 1211
PLU
GG
ED
PLU
GG
ED
PLU
GG
ED
PLUGGED
AU
X R
LYS
PW
RK
EY
AC
C
SID
ES
HIF
T
OP
T P
WR
1
STO
P L
TW
OR
K L
T
EX
TR
AS
WIN
G
MA
ST
OP
T P
WR
4O
PT
PW
R 3
OP
T P
WR
2
OP
T G
ND
2O
PT
GN
D 1
KEY ACC
AUX ELEC PWR
STOP LTM
AS
T
OP
T P
WR
1
SID
ES
HIF
T
OP
T P
WR
2
SW
ING
OP
T P
WR
3
EX
TR
A
OP
T P
WR
4
OP
T G
ND
1O
PT
GN
D 2
D F
AN
GN
D
D FAN GND D FAN GND
D F
AN
GN
D
AU
X S
W G
ND
AU
X S
W G
ND
SW2 87A
SW
2 87
A
SW2 86
SW
2 86
SW1 87A
SW
1 87
A
SW1 86
SW
1 86
DOME/BCN GND DOME/BCN GND DOME/BCN GND
DOME/BCN GND
DOME/BCN GND
CAB LT GND CAB LT GND CAB LT GND
CAB LT GND
CAB LT GND
HEATER GND
HEATER GND HEATER GND
HE
ATE
R G
ND H
EAT
ER
GN
D
HE
ATE
R G
ND
S/W LT PWR S/W LT PWR
BCN PWRD FAN PWR
D FAN PWR D FAN PWR
D F
AN
PW
R
WIPER PWR
WIPER PWR WIPER PWR
WIP
ER
PW
R
HEATER PWR
HEATER PWR HEATER PWR
HE
ATE
R P
WR
HE
ATE
R P
WR
HE
ATE
R P
WR
CAB LT PWRDOME LT DOME LT DOME LT DOME LT
STOP LT
STOP LT
S/W LT PWR
S/W LT PWR
BCN PWR BCN PWR
BCN LT
CAB LT PWR CAB LT PWR
CAB LTS
CAB LTS
WORK LTWORK LT
HT
R C
NT
RL
B
HT
R C
NT
RL
A
WA
SH
ER
WA
SH
ER
WIP
ER
PA
RK
WIP
ER
LO
WIP
ER
HI
WIP
ER
HI
WIP
ER
LO
WIP
ER
PA
RK
HE
ATE
R H
IH
EAT
ER
ME
DH
EAT
ER
LO
W
AB
A B
5A R
OO
F W
IPE
R P
WR
15A
OP
T 2
25A
OP
T
25A
OP
T G
ND
15A
OP
T 2
GN
D5A
RO
OF
WIP
ER
GN
D
5A R
OO
F W
IPE
R P
WR
5A R
OO
F W
IPE
R G
ND
15A
OP
T 2
15A
OP
T 2
GN
D
25A
OP
T25
A O
PT
GN
D
PLU
GG
ED
8587 8687a
308587 8687a
30
F4
BLACK-1GH F DE C
1525 5
F3
8787a
30 8586
F2
OPTION (15A)
EGRAY-2
HAB G F D BC A
AUX ELEC2
8787a
30 8586
87a
30 87
OPTION (25A)
8586
8787a
30 86 85
AUX ELEC1
HEATER/BLOWER
LIGHTS
8787a
30 8586
WIPER
BCN/FAN
8787a
30 8586
F7
F6 30
10
10F8
20F5
20F1
GH
BLU
E-3
FEDCBA
H
GR
EE
N-4
GFEDCBA
PLU
GG
ED
QC
GN
D
AUXELECTRICOPTION
OPTIONS HARNES
ENCLOSED CABOPTION
WORKLIGHT/BEACON
IF EQUIPPED
OP
TIO
N 2
15 A
OP
TIO
N25
A
STOPLIGHTSWITCH
DOMELIGHT
WINDSHIELDWASHERMOTOR
DASHFAN
BLOWERMOTOR
HEATERVALVE
RESISTOR LOCATED APPROX 10" BEHINDHEATER TEMP SWITCHCONNECTION IN ENCLOSED CAB OPTIONS HARNESS
M
ROOF WIPERMOTOR
~
17A MM
CONDENSER FANS(ON ROOF)
B25A OPT GNDRLY 87
A
86 8530
a87
PLU
GG
ED
PLU
GG
ED
PLU
GG
ED
MA
ST
SID
ES
HIF
T
SW
ING
EX
TR
A
AU
X S
W G
ND
SW
2 87
AS
W2
86
SW
1 87
A
SW
1 86
12
3
4
5 6
7
86 8530
87A
QC
PW
R 1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
QUICK CONNECT
12
3
4
56
7
1
2
3
4
56
7
AUX ELECTRICS
AU
X E
LEC
PW
RA
UX
RLY
S P
WR
2
3
12
3
4
56
CONNECTOR 3 SHEET 4
Page 5
TL642C & TL943CElectrical Schematic
31200830
Sheet 3 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
CONNECTOR PIN TAGNAME DESCRIPTION TYPE
J1 (BLACK)
1 KEY IGN IGNITION POWER INPUT
2 ACC MOD GND ACCESSORY MODULE GROUND POWER INPUT
3 TRIG JOYSTICK TRIGGER FOR DE-CLUTCH DIGITAL INPUT
4 DCLUTCH IN TRANSMISSION DE-CLUTCH INPUT DIGITAL INPUT
5 DI2 SPARE DIGITAL INPUT DIGITAL INPUT
6 ROLLER SEL ROLLER / JOYSTICK SELECT DIGITAL INPUT
7 TILT UP TILT UP VALUE DIGITAL OUTPUT
8 TILT DN TILT DOWN VALVE DIGITAL OUTPUT
9 AUX A AUX HYD VALVE A DIGITAL OUTPUT
10 AUX B AUX HYD VALVE B DIGITAL OUTPUT
11 DCLUTCH TRANSMISSION DE-CLUTCH OUTPUT DIGITAL OUTPUT
12 GND FAULT GND RLY FAULT SIG DIGITAL OUTPUT
J2 (GREY)
1 5 EXC TILT +5 ANALOG EXCITATION VOLTAGE POWER OUTPUT
2 TILT SIG A FORK TILT SIGNAL A ANALOG INPUT
3 TILT GND ANALOG GROUND POWER OUTPUT
4 5 EXC AUX +5 ANALOG EXCITATION VOLTAGE POWER OUTPUT
5 AUX SIG A AUX HYD SIGNAL A ANALOG INPUT
6 AUX GND ANALOG GROUND POWER OUTPUT
7 TILT SIG B FORK TILT SIGNAL B ANALOG INPUT
8 AUX SIG B AUX HYD SIGNAL B ANALOG INPUT
9 CAN H/904 CANBUS HIGH SERIAL I/O
10 CAN L/905 CANBUS LOW SERIAL I/O
11 TX RS-232 TRANSMIT SERIAL OUTPUT
12 RX RS-232 RECEIVE SERIAL INPUT
AC
CY. M
OD
ULE
78
J1 (BLA
CK
)
65
43
2
1
1211
109
78
J2 (GR
EY
)
65
43
21
1211
109
KEY IGNACC MOD GNDTRIGDCLUTCH INDI2ROLLER SELTILT UPTILT DNAUX AAUX BDCLUTCHGND FAULT
5 EXC TILTTILT SIG ATILT GND5 EXC AUXAUX SIG AAUX GNDTILT SIG BAUX SIG BCAN H/904CAN L/905TXRX
4321
ANALYZER
5
1
4
36
2
78
PLUGGEDPLUGGED
TILT SIG ATRIG
5 EXC TILT
KEY IGN
TILT SIG BTILT GND
13
65
2
4
OPTIONALPROPORTIONAL AUX.PADDLE
AUX SIG A5 EXC AUX
AUX GND
KEY IGNAUX SIG B
ROLLER SEL
SEE SHEET 1
87
56
ACC MOD GND
AUX ADCLUTCH
AUX B
2
1
4 TILT DN3
TILT UPKEY IGNDCLUTCH IN
91011
PK BRK SOLPLUGGEDGND FAULT
PLUGGEDGND FAULT
PLUGGED
FORK TILT AND PROPORTION AUXON JOYSTICK W/ DE-CLUTCH TRIGGER
TL943C
SEE SHEET 1
NOTE: FOR BASE MACHINEOR FAILED ACCESSORY MODULE ONLY
87
56
ACC MOD GND
AUX ADCLUTCH
AUX B
2
1
4 TILT DN3
TILT UPIGNDCLUTCH IN
91011
PK BRK SOLPLUGGEDGND FAULT
12 PLUGGEDPLUGGED
12PLUGGED
CAN H/904CAN L/905CAN SHIELD
JUMPER
JUMPER2
JUMPER
JUMPER2
ACCESSORY MODULE
Page 6
TL642C & TL943CElectrical Schematic
31200830
Sheet 3 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
ACCESSORY MODULE
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
CONNECTOR PIN TAGNAME DESCRIPTION TYPE
J1 (BLACK)
1 KEY IGN IGNITION POWER INPUT
2 ACC MOD GND ACCESSORY MODULE GROUND POWER INPUT
3 TRIG JOYSTICK TRIGGER FOR DE-CLUTCH DIGITAL INPUT
4 DCLUTCH IN TRANSMISSION DE-CLUTCH INPUT DIGITAL INPUT
5 DI2 SPARE DIGITAL INPUT DIGITAL INPUT
6 ROLLER SEL ROLLER / JOYSTICK SELECT DIGITAL INPUT
7 TILT UP TILT UP VALUE DIGITAL OUTPUT
8 TILT DN TILT DOWN VALVE DIGITAL OUTPUT
9 AUX A AUX HYD VALVE A DIGITAL OUTPUT
10 AUX B AUX HYD VALVE B DIGITAL OUTPUT
11 DCLUTCH TRANSMISSION DE-CLUTCH OUTPUT DIGITAL OUTPUT
12 GND FAULT GND RLY FAULT SIG DIGITAL OUTPUT
J2 (GREY)
1 5 EXC TILT +5 ANALOG EXCITATION VOLTAGE POWER OUTPUT
2 TILT SIG A FORK TILT SIGNAL A ANALOG INPUT
3 TILT GND ANALOG GROUND POWER OUTPUT
4 5 EXC AUX +5 ANALOG EXCITATION VOLTAGE POWER OUTPUT
5 AUX SIG A AUX HYD SIGNAL A ANALOG INPUT
6 AUX GND ANALOG GROUND POWER OUTPUT
7 TILT SIG B FORK TILT SIGNAL B ANALOG INPUT
8 AUX SIG B AUX HYD SIGNAL B ANALOG INPUT
9 CAN H/904 CANBUS HIGH SERIAL I/O
10 CAN L/905 CANBUS LOW SERIAL I/O
11 TX RS-232 TRANSMIT SERIAL OUTPUT
12 RX RS-232 RECEIVE SERIAL INPUT
AC
CY. M
OD
ULE
78
J1 (BLA
CK
)
65
43
2
1
1211
109
78
J2 (GR
EY
)
65
43
21
1211
109
KEY IGNACC MOD GNDTRIGDCLUTCH INDI2ROLLER SELTILT UPTILT DNAUX AAUX BDCLUTCHGND FAULT
5 EXC TILTTILT SIG ATILT GND5 EXC AUXAUX SIG AAUX GNDTILT SIG BAUX SIG BCAN H/904CAN L/905TXRX
4321
ANALYZER
5
1
4
36
2
78
PLUGGEDPLUGGED
TILT SIG ATRIG
5 EXC TILT
KEY IGN
TILT SIG BTILT GND
13
65
2
4
AUX SIG A5 EXC AUX
AUX GND
KEY IGNAUX SIG B
ROLLER SEL
SEE SHEET 1
87
56
ACC MOD GND
AUX ADCLUTCH
AUX B
2
1
4 TILT DN3
TILT UPKEY IGNDCLUTCH IN
91011
PK BRK SOLPLUGGEDGND FAULT
PLUGGEDGND FAULT
PLUGGED
SEE SHEET 1
NOTE: FOR BASE MACHINEOR FAILED ACCESSORY MODULE ONLY
87
56
ACC MOD GND
AUX ADCLUTCH
AUX B
2
1
4 TILT DN3
TILT UPIGNDCLUTCH IN
91011
PK BRK SOLPLUGGEDGND FAULT
12 PLUGGEDPLUGGED
12PLUGGED
CAN H/904CAN L/905CAN SHIELD
JUMPER
JUMPER2
JUMPER
JUMPER2
OPTIONAL FORK TILT AND PROPORTION AUXON JOYSTICK W/ DE-CLUTCH TRIGGER
TL943C
Page 7
TL642C & TL943CElectrical Schematic
31200830
Sheet 4 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
CHASSIS HARNESS
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
A/CCOMPRESSOR
M
TO CAB ASSEMBLY
HORNREVERSE
ALARM
B CA
2
21
1
2120 19 1817167 11151413 12 9108 35 641 2
CONNECTOR 4TO ENGINE HARNESS CONNECTOR X653 SHEET 6
OP
T P
WR
1
KE
Y IG
N
GA
GE
PW
R
EC
U IG
N/0
12
EC
U B
AT/0
22
OP
T P
WR
2
ST
EE
R/S
WAY
PW
R
STA
B/T
ILT
PW
RK
EY
BAT
PW
R
HO
RN
PW
RO
PT
PW
R 3
OP
T P
WR
4
SP ACCY PWR
SP
BAT
PW
R
EC
U G
ND
/050
KEY ACCTRAN/BRK PWR
AUX RLYS PWR
SH
IFT
ER
GN
D
DASH GNDALT EXC
OPT GND 1
OPT GND 2
SP CAB GND 1
SP GND 1AC CLUTCH GNDAUX ELEC GNDLT GNDSTR/FUL GNDACC MOD GND
EN
G G
ND
1211 13 1514 16 2017 18 19 21 22 23 2524 26 2827 29
KE
Y B
AT P
WR
KE
Y IG
N
OP
T P
WR
2
OP
T P
WR
3
KE
Y A
CC
OP
T P
WR
4
GA
GE
PW
R
ST
EE
R/S
WAY
PW
RH
OR
N P
WR
TR
AN
/BR
K P
WR
AU
X R
LYS
PW
R
KE
Y S
TAR
TD
AS
H G
ND
RE
VE
RS
E
RE
VE
RS
E
RE
VE
RS
E
ST
R C
RB
STR CRB
ST
R A
W
STR AW
HO
RN
HO
RN
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
RE
VE
RS
E S
OL
TR
AN
S S
OL
Y3
TR
AN
S S
OL
TR
AN
S S
OL
Y5
PR
K B
RK
SO
L
WO
RK
LT
WO
RK
LT
STO
P L
T
STO
P L
T
FU
L LV
L
ST
RLY
ST
RLY
PR
K B
RK
SO
L
WA
IT T
O S
TAR
TE
NG
WA
RN
LT
EN
G W
AR
N L
TE
NG
STO
P L
TE
NG
STO
P L
T
TH
R S
UP
/911
TH
R S
UP
/911
TH
R S
GN
/915
TH
R S
GN
/915
TH
R R
TN
/914
TH
R R
TN
/914
RE
GE
N D
IS L
AM
PD
PF
SO
OT
LA
MP
HE
ST
LA
MP
EC
U B
AT/0
22E
CU
IGN
/012
EC
U G
ND
/050
EN
G G
ND
9 10 1 2 643 5 7 98 10 1211 1413 15 191716 18
22 28 272625 3130 29
IVS
WA
IT T
O S
TAR
T L
T
SIG
NA
L R
TN
AIR
/MA
F S
IGN
AL
VAT
SIG
NA
L
SIG
NA
L P
WR
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
RE
VE
RS
E S
OL
TR
AN
S S
OL
Y3
TR
AN
S S
OL
TR
AN
S S
OL
Y5
KE
Y A
CC
OP
T P
WR
1
EX
TR
AS
WIN
GQ
C P
WR
1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
OP
T G
ND
1
OP
T G
ND
2
A B DC
QC
PW
R 1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
AC
CLU
TC
H
SID
ES
HIF
T
MA
ST
PR
K B
RK
SO
L 2
SH
IFT
PW
R 1
SH
IFT
ER
GN
D
30 31
KE
Y IG
N
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
SP
BAT
PW
RS
P A
CC
Y P
WR
RE
GE
N F
OR
CE
SW
SP
AC
CY
PW
RS
P B
AT P
WR
SP
GN
D 1
AC
CLU
TC
H G
ND
D
LT G
ND
LT G
ND
E
AU
X E
LEC
GN
D
71 32 54 6 8
AC
C M
OD
GN
DT
ILT
UP
TIL
T D
ND
CLU
TC
HE
CM
IGN
CA
N H
/904
CA
N L
/905
PLU
GG
ED
26111 32 54 76 98 10 19151312 14 1716 18 20 2221 2423 25 302827 29 31
SP CAB GND 1
RE
GE
N IN
H S
W
IVR
ON
-ID
LEIVS
EC
M IG
N
TR
AN
S T
MP
SW
STR/FUL GND
STR/FUL GND
AC
CLU
TC
H
A B
AU
X E
LEC
GN
D
STA
B/T
ILT
PW
R
BLK
RE
DY
EL
BLU
OR
G
TAIL LIGHT
BU STOP TAIL
GR
NR
ED
BLK (-)
F
PLU
GG
ED
PLU
GG
ED
(OPT)
QC DIVERTORVALVE
F
GRAY-5
202020
BLACK-1H G EF D
25 10
C B A H G
10 25 15
F15
F16 F8
F3
IGNITION-1
8630 8787a
85
F4
F9
F13 F7
ACCY-1
8787a
30 86 85
8687a
30 87 85
ACCY-2
8787a
30 86 85
IGNITION-2
BLACK-6
A C A
G
20
GRAY-2E D C AB
10 10 15
H
F14
F10
F11
F12 BLU
E-3
FEDCBA
H
F6 10
15F1
15
F2
F5
5
GR
EE
N-4
GFEDCBA
C
TR
AN
S S
OL
Y6
TR
AN
S S
OL
Y6
CONNECTOR 3TO OPTIONS HARNESS SHEET 2
CONNECTOR 2TO CAB CONTROL HARNESS SHEET 1
CONNECTOR 1TO DASH PANEL HARNESS SHEET 1
VEC POWER AND VEC GROUNDSHOWN ON PAGE 6 (D2).
POWER DISTVEC
ALL WHEELSTEERMODEVALVECRAB
A B DC E F
21
GN
D F
AU
LTA
UX
AA
UX
B
CA
N H
/904
CA
N L
/905
KE
Y S
TAR
T
CANCABLE
B C ED
MA
ST
SID
ES
HIF
T
SW
ING
EX
TR
A
F
AU
X E
LEC
GN
D
AUXILIARYELECTRIC
S LT RT TMA
BLK
RE
DY
EL
BLU
OR
G
A
PLU
GG
ED
PLU
GG
ED
(OPT)
12
JOYSTICKVALVE
TILT-ON21
TILT DN
TILT UP
TIL
T D
N
VLV GND
VLV GND
TIL
T U
P
12
PROPOR-TIONAL
HYD.AUX.
VALVE
2
1
AUX B
AUX AVLV GND
VLV GND
BA
FUL LVLSTR/FUL GND
FUELSNDR
TWIST 12 TURNS/FOOT
ALT
EX
C
86 8530
87A
PRK BRK SOL
STR/FUL GND
DCLUTCH
PRK BRK SOL 2
TRANSMISSION DECLUTCHRELAY
ON
-ID
LEIV
R
23 24
868530
87A GROUND FAULTRLY
VLV
GN
DA
CC
MO
D G
ND
GN
D F
AU
LT
1 2 43
SIG
NA
L R
TN
AIR
/MA
F S
IGN
AL
VAT
SIG
NA
L
SIG
NA
L P
WR
1 2
PLU
GG
ED
PLU
GG
ED
AIR
RT
N
AIR
TE
MP
AIR TEMPSENSOR
CA
B D
AS
H C
ON
TR
OLS
TO E
NG
INE
HA
RN
ES
SS
HE
ET
6
654321
REGEN DIS LAMP
REGEN INH SWDPF SOOT LAMPECM IGNHEST LAMP
REGEN FORCE SW
ANTI-STALL VALVEANT STL SIG
ACC MOD GND
CANCABLE
POWER DISTRIBUTION
FUSE/BREAKER LEGEND
F4 10A GAGE (INST PANEL) PWRSPARE ACCESSORY PWR
SPARE BATTERY PWR
AUX ELECTRIC PWR
ENGINE ECU BAT PWR
KEY BATTERY PWRR. AXLE STAB/TILT PWRF11
F12
F10F9
15A10A10A25A
F8F7
F5F6
25A15A
15A10A
STEER/SWAY PWR
HORN PWR
ENGINE ECU IGN PWRALTERNATOR EXCITETRANS/PARK BRK PWR
F2F3
F15A
10A
15A
OPTIONS POWER 4OPTIONS POWER 3
OPTIONS POWER 2OPTIONS POWER 1
F16 20A
F14F15
F1320A20A
20A
Page 8
TL642C & TL943CElectrical Schematic
31200830
Sheet 4 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
A/CCOMPRESSOR
M
TO CAB ASSEMBLY
HORNREVERSE
ALARM
B CA
2
21
1
2120 19 1817167 11151413 12 9108 35 641 2
TO ENGINE HARNESS CONNECTOR X932 SHEET 6
OP
T P
WR
1
KE
Y IG
N
GA
GE
PW
R
EC
U IG
N/0
12
EC
U B
AT/0
22
OP
T P
WR
2
ST
EE
R/S
WAY
PW
R
STA
B/T
ILT
PW
RK
EY
BAT
PW
R
HO
RN
PW
RO
PT
PW
R 3
OP
T P
WR
4
SP ACCY PWR
SP
BAT
PW
R
EC
U G
ND
/050
KEY ACCTRAN/BRK PWR
AUX RLYS PWR
SH
IFT
ER
GN
D
DASH GNDALT EXC
OPT GND 1
OPT GND 2
SP CAB GND 1
SP GND 1AC CLUTCH GNDAUX ELEC GNDLT GNDSTR/FUL GNDACC MOD GND
EN
G G
ND
1211 13 1514 16 2017 18 19 21 22 23 2524 26 2827 29
KE
Y B
AT P
WR
KE
Y IG
N
OP
T P
WR
2
OP
T P
WR
3
KE
Y A
CC
OP
T P
WR
4
GA
GE
PW
R
ST
EE
R/S
WAY
PW
RH
OR
N P
WR
TR
AN
/BR
K P
WR
AU
X R
LYS
PW
R
KE
Y S
TAR
TD
AS
H G
ND
RE
VE
RS
E
RE
VE
RS
E
RE
VE
RS
E
ST
R C
RB
STR CRB
ST
R A
W
STR AW
HO
RN
HO
RN
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
RE
VE
RS
E S
OL
TR
AN
S S
OL
Y3
TR
AN
S S
OL
TR
AN
S S
OL
Y5
PR
K B
RK
SO
L
WO
RK
LT
WO
RK
LT
STO
P L
T
STO
P L
T
FU
L LV
L
ST
RLY
ST
RLY
PR
K B
RK
SO
L
WA
IT T
O S
TAR
TE
NG
WA
RN
LT
EN
G W
AR
N L
TE
NG
STO
P L
TE
NG
STO
P L
T
TH
R S
UP
/911
TH
R S
UP
/911
TH
R S
GN
/915
TH
R S
GN
/915
TH
R R
TN
/914
TH
R R
TN
/914
RE
GE
N D
IS L
AM
PD
PF
SO
OT
LA
MP
HE
ST
LA
MP
EC
U B
AT/0
22E
CU
IGN
/012
EC
U G
ND
/050
EN
G G
ND
9 10 1 2 643 5 7 98 10 1211 1413 15 191716 18
22 28 272625 3130 29
IVS
WA
IT T
O S
TAR
T L
T
SIG
NA
L R
TN
AIR
/MA
F S
IGN
AL
VAT
SIG
NA
L
SIG
NA
L P
WR
TR
AN
S T
MP
SW
TR
AN
S S
OL
Y1
RE
VE
RS
E S
OL
TR
AN
S S
OL
Y3
TR
AN
S S
OL
TR
AN
S S
OL
Y5
KE
Y A
CC
OP
T P
WR
1
EX
TR
AS
WIN
GQ
C P
WR
1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
OP
T G
ND
1
OP
T G
ND
2
A B DC
QC
PW
R 1
QC
PW
R 2
QC
GN
D 5
QC
GN
D 7
AC
CLU
TC
H
SID
ES
HIF
T
MA
ST
PR
K B
RK
SO
L 2
SH
IFT
PW
R 1
SH
IFT
ER
GN
D
30 31
KE
Y S
TAR
T
SH
IFT
PW
R 1
TR
AN
/BR
K P
WR
SP
BAT
PW
RS
P A
CC
Y P
WR
RE
GE
N F
OR
CE
SW
SP
AC
CY
PW
RS
P B
AT P
WR
SP
GN
D 1
AC
CLU
TC
H G
NDD
LT G
ND
LT G
ND
E
AU
X E
LEC
GN
D
71 32 54 6 8
AC
C M
OD
GN
DT
ILT
UP
TIL
T D
ND
CLU
TC
HP
LUG
GE
DC
AN
H/9
04C
AN
L/9
05S
HIE
LD /0
20
26111 32 54 76 98 10 19151312 14 1716 18 20 2221 2423 25 302827 29 31
SP CAB GND 1
RE
GE
N IN
H S
W
IVR
ON
-ID
LEIVS
SP
BAT
PW
R
TR
AN
S T
MP
SW
STR/FUL GND
STR/FUL GND
AC
CLU
TC
H
A B
AU
X E
LEC
GN
D
STA
B/T
ILT
PW
R
BLK
RE
DY
EL
BLU
OR
G
TAIL LIGHT
BU STOP TAIL
GR
NR
ED
BLK (-)
F
PLU
GG
ED
PLU
GG
ED
QC DIVERTORVALVE
F
GRAY-5
202020
BLACK-1H G EF D
25 10
C B A H G
10 25 15
F15
F16 F8
F3
IGNITION-1
8630 8787a
85
F4
F9
F13 F7
ACCY-1
8787a
30 86 85
8687a
30 87 85
ACCY-2
8787a
30 86 85
IGNITION-2
BLACK-6
A C A
G
20
GRAY-2E D C AB
10 10 15
H
F14
F10
F11
F12 BLU
E-3
FEDCBA
H
F6 10
15F1
15
F2
F5
5
GR
EE
N-4
GFEDCBA
C
TR
AN
S S
OL
Y6
TR
AN
S S
OL
Y6
CONNECTOR 3TO OPTIONS HARNESS SHEET 2
CONNECTOR 2TO CAB CONTROL HARNESS SHEET 1
CONNECTOR 1TO DASH PANEL HARNESS SHEET 1
VEC POWER AND VEC GROUNDSHOWN ON PAGE 6 (D2).
POWER DISTVEC
ALL WHEELSTEERMODEVALVECRAB
A B DC E F
21
GN
D F
AU
LTA
UX
AA
UX
B
CA
N H
/904
CA
N L
/905
PLU
GG
ED
SH
IELD
/020
CABLE
CABLE
B C ED
MA
ST
SID
ES
HIF
T
SW
ING
EX
TR
A
F
AU
X E
LEC
GN
D
AUXILIARYELECTRIC
S LT RT TMA
BLK
RE
DY
EL
BLU
OR
G
A
PLU
GG
ED
PLU
GG
ED
(OPT)
12
JOYSTICKVALVE
TILT-ON21
TILT DN
TILT UP
TIL
T D
N
VLV GND
VLV GND
TIL
T U
P
12
PROPORTIONALHYDRALIC AUX.
VALVE
2
1
AUX B
AUX AVLV GND
VLV GND
BA
FUL LVLSTR/FUL GND
FUELSNDR
12 TURNSPER FOOTTWIST
ALT
EX
C
86 8530
87A
PRK BRK SOL
STR/FUL GND
DCLUTCH
PRK BRK SOL 2
TRANSMISSION DECLUTCHRELAY
ON
-ID
LEIV
R
23 24
868530
87A GROUND FAULTRLY
VLV
GN
DA
CC
MO
D G
ND
GN
D F
AU
LT
1 2 43
SIG
NA
L R
TN
AIR
/MA
F S
IGN
AL
VAT
SIG
NA
L
SIG
NA
L P
WR
1 2
PLU
GG
ED
PLU
GG
ED
AIR
RT
N
AIR
TE
MP
AIR TEMPSENSOR
CA
B D
AS
H C
ON
TR
OLS
(HR
C E
NG
INE
HA
RN
ES
S)
654321
REGEN DIS LAMP
REGEN INH SWDPF SOOT LAMPPLUGGEDHEST LAMP
REGEN FORCE SW
POWER DISTRIBUTION
FUSE/BREAKER LEGEND
F4 10A GAGE (INST PANEL) PWRSPARE ACCESSORY PWR
SPARE BATTERY PWR
AUX ELECTRIC PWR
ENGINE ECU BAT PWR
KEY BATTERY PWRR. AXLE STAB/TILT PWRF11
F12
F10F9
15A10A10A25A
F8F7
F5F6
25A15A
15A10A
STEER/SWAY PWR
HORN PWR
ENGINE ECU IGN PWRALTERNATOR EXCITETRANS/PARK BRK PWR
F2F3
F15A
10A
15A
OPTIONS POWER 4OPTIONS POWER 3
OPTIONS POWER 2OPTIONS POWER 1
F16 20A
F14F15
F1320A20A
20A
CONNECTOR 4
CHASSIS HARNESS
Page 9
TL642C & TL943CElectrical Schematic
31200830
Sheet 5 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
POWER UNIT
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
TRANSMISSION LEGEND
GEAR ACTIVATED TRANS SOLENOIDS
F1 E5, E1
F2 E5, E2
F3 E5, E3
F4 E6, E3
R1 E4, E1
R2 E4, E2
R3 E4, E3
N NO SOLENOIDS INGAUGED
NOTE:ONLY USED CONNECTIONS SHOWN
PINS SHOWN ARE NOT IN NUMERICAL ORDER
TRANS SOL E3
TR
AN
SM
ISS
ION
TRANS SOL E1
TRANS SOL E2
BA
AB
E1
E2
TRANS SOL E4
TRANS SOL E5
TRANS SOL E6
TRANS TMP SW
AB
BA
AB
BA
E4
E3
E5
E6
250 F
ENG GND
ENG GND
ENG GND
ENG GND
ENG GND
ENG GND
BATTERY CABLES
*MAIN BATTERY
B+
TE
RM1
B- T
ER
M1E
PD
M -
BLK
2/0
AW
G
EPDM - BLK 2/0AWG
EP
DM
+ R
ED
2/0
AW
G
EPDM + RED 2/0AWG
POD GND
1
ENG GND
1
STRT PWR
1
POD GND
1
TO POD GND
TO POD GND
TO STRT PWR
TO ENG GND STUD
POSITIVE BATTERY CABLE
ENG GND CABLE
POD GND
1
STRT GND
1
TO POD GND
STRT GND CABLE
NEG BTTY
CABLE
TO STRT GND STUD
*EXTRA BATTERY
B+
TE
RM1
B- T
ER
M1
MA
IN B
-1MA
IN B
+1
EP
DM
+ R
ED
2/0
AW
G
EP
DM
- B
LK 2
/0A
WG
STRT AID POS CABLE
STRT AID NEG CABLE
EPDM - BLK 2AWG
POD GND
1
ALT GND
1
TO POD GND TO ALT GND STUD
ALT GND CABLE
EPDM - BLK 2/0AWG
POD GND
1
CAB GND
1
TO POD GND TO CAB GND
CAB GND CABLE
EPDM - BLK 2AWG
EPDM - BLK 2AWG
B+
TE
RM1
EP
DM
+ R
ED
2/0
AW
G
EPDM + RED 2/0AWG
PWR BUSS
1
TO PWR BUSSBAR
POSITIVE BATTERY CABLE
CONNECT TO ENGINE HARNESSON PAGE 6 (D5).
123
FUEL RAILPRESSURE SENSOR
123
OIL PRESSURESENSOR
ENGINE FUELTEMP SENSOR
CRANKSHAFT SPEED/TIMING SENSOR
PUMP/CAM SPEED SENSOR
FUEL PUMPSOLENOID
12
12
12
12
12
ELECTRONICWASTEGATEACTUATOR
12
ABCDEFGHJ
DIAGNOSTICCONNECTOR (9 PIN)
INJECTOR CYLINDER 1
INJECTOR CYLINDER 2
INJECTOR CYLINDER 3
INJECTOR CYLINDER 4
12
34
12
34
X927 YL
X922 WHX928 GN
X921 PK
X926 GYX920 BR
X923 ORX929 BU
INTERNAL(ROCKER COVER)
EXTERNAL
X929 BUX923 OR
X928 GNX922 WH
X927 YLX921 PK
X926 GYX920 BR
Y946 BU
J844 GYC246 BK994 GY
C967 BU
F421 YL
996 GNE965 BU
P920 BR
Y951 PU
M795 WHC211 BK
101 RD229 BK
944 OR945 BRF712 GY
Y950 YL
37
465635
69
39
4438
10
19
70
2414
5354
282031
CD
BA
GH
FE
FRP SENSOR SIGNAL
OIL PRESSURE SENSOR PWR (5V)OIL PRESSURE SENSOR RETURNOIL PRESSURE SENSOR SIGNAL
FUEL PUMP SOLENOID PWM SIG
PUMP/CAM SPEED SENS SIG
SPEED SENSOR POWER (8V)CRANK SPEED/TIME SENS SIG
ENGINE FUEL TEMP SIGNAL
IMT SIGNAL
FUEL PUMP SOLENOID RETURN
WASTEGATE PWM SIGNALWASTEGATE RETURN
BAT+ (FOR COMMS ADAPTER)BAT- (FOR COMMS ADAPTER)
DATA LINK POSITIVEDATA LINK NEGATIVE
INJECTOR CYLINDER 2 RETURNINJECTOR CYLINDER 2
INJECTOR CYLINDER 1 RETURNINJECTOR CYLINDER 1
INJECTOR CYLINDER 4 RETURNINJECTOR CYLINDER 4
INJECTOR CYLINDER 3 RETURNINJECTOR CYLINDER 3
A4E2 ECUJ2 CONNECTOR
123
BARAMETRICPRESSURE SENSOR R747 GY 34 BARAMETRIC PRESS SIGNAL
123
INTAKE MANIFOLDPRESSURE SENSOR
N940 BUN941 YLN746 PK
47574
IMP POWER SUPPLY (5V)IMP RETURNIMP SIGNAL
COOLANT TEMPSENSOR
12
955 BU 9 COOLANT TEMP SIGNAL
INTAKE MANIFOLDTEMP SENSOR
F711 GN 30J1939-J1939+
12345
J844 GYC246 BK
R884 WHR663 YL
4656
4858
5 VOLT SENSOR SUPPLYSENSOR RETURN
EXHAUST BACK PRES VLV RTNEXHAUST BACK PRES VLV RTN
K443 PK 16 VALVE POSITION SENSOR SIGNAL
12346
Y765 GNY764 YL
3240
NRS VALVE RETURNNRS VALVE SUPPLY
K446 PU 15 NRS VALVE POSITION SENSOR
12
N736 GN 8 NRS TEMPERATURE SENSORNRS TEMPSENSOR
NRS VALVE
EXHAUSTBACK PRESSURE
VALVE
123
NRS OUTLETPRESSURE SENSOR
123
NRS INTAKEPRESSURE SENSOR
N940 BUN941 YLN735 BU
47576
ENG 5 VOLT SENSOR SUPPLY 2ENG 0 VOLT SENSOR RETURN 2NRS INTAKE PRESSURE SENSOR
N737 PU 7 NRS OUTLET PRESSURE SENSOR
EIC 2
EIC 1
250 F BA
ENG GND
Page 10
TL642C & TL943CElectrical Schematic
31200830
Sheet 5 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
POWER UNIT
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
TRANSMISSION LEGEND
GEAR ACTIVATED TRANS SOLENOIDS
F1 E5, E1
F2 E5, E2
F3 E5, E3
F4 E6, E3
R1 E4, E1
R2 E4, E2
R3 E4, E3
N NO SOLENOIDS INGAUGED
NOTE:ONLY USED CONNECTIONS SHOWN PINS SHOWN ARE NOT IN NUMERICAL ORDER
TRANS SOL E3
TR
AN
SM
ISS
ION
TRANS SOL E1
TRANS SOL E2
BA
AB
E1
E2
TRANS SOL E4
TRANS SOL E5
TRANS SOL E6
TRANS TMP SW
AB
BA
AB
BA
E4
E3
E5
E6
250 F
ENG GND
ENG GND
ENG GND
ENG GND
ENG GND
ENG GND
BATTERY CABLES
*MAIN BATTERY
B+
TE
RM1
B- T
ER
M1E
PD
M -
BLK
2/0
AW
G
EPDM - BLK 2/0AWG
EP
DM
+ R
ED
2/0
AW
G
EPDM + RED 2/0AWG
POD GND
1
ENG GND
1
STRT PWR
1
POD GND
1
TO POD GND
TO POD GND
TO STRT PWR
TO ENG GND STUD
POSITIVE BATTERY CABLE
ENG GND CABLE
POD GND
1
STRT GND
1
TO POD GND
STRT GND CABLE
NEG BTTY
CABLE
TO STRT GND STUD
EXTRA BATTERY
B+
TE
RM1
B- T
ER
M1
MA
IN B
-1MA
IN B
+1
EP
DM
+ R
ED
2/0
AW
G
EP
DM
- B
LK 2
/0A
WG
STRT AID POS CABLE
STRT AID NEG CABLE
EPDM - BLK 2AWG
POD GND
1
ALT GND
1
TO ENG GND TO ALT GND STUD
ALT GND CABLE
EPDM - BLK 2/0AWG
POD GND
1
CAB GND
1
TO POD GND TO CAB GND
CAB GND CABLE
EPDM - BLK 2AWG
EPDM - BLK 2AWG
B+
TE
RM1
EP
DM
+ R
ED
2/0
AW
G
EPDM + RED 2/0AWG
PWR BUSS
1
TO PWR BUSSBAR
POSITIVE BATTERY CABLE
CONNECT TO ENGINE HARNESSON PAGE 6 (D5).
123
FUEL RAILPRESSURE SENSOR
123
OIL PRESSURESENSOR
ENGINE FUELTEMP SENSOR
CRANKSHAFT SPEED/TIMING SENSOR
PUMP/CAM SPEED SENSOR
FUEL PUMPSOLENOID
12
12
12
12
12
ELECTRONICWASTEGATEACTUATOR
12
ABCDEFGHJ
DIAGNOSTICCONNECTOR (9 PIN)
INJECTOR CYLINDER 1
INJECTOR CYLINDER 2
INJECTOR CYLINDER 3
INJECTOR CYLINDER 4
12
34
12
34
X927 YL
X922 WHX928 GN
X921 PK
X926 GYX920 BR
X923 ORX929 BU
INTERNAL(ROCKER COVER)
EXTERNAL
X929 BUX923 OR
X928 GNX922 WH
X927 YLX921 PK
X926 GYX920 BR
Y946 BU
J844 GYC246 BK994 GY
C967 BU
F421 YL
996 GNE965 BU
P920 BR
Y951 PU
M795 WHC211 BK
101 RD229 BK
944 OR945 BRF712 GY
Y950 YL
37
465635
69
39
4438
10
19
70
2414
5354
282031
CD
BA
GH
FE
FRP SENSOR SIGNAL
OIL PRESSURE SENSOR PWR (5V)OIL PRESSURE SENSOR RETURNOIL PRESSURE SENSOR SIGNAL
FUEL PUMP SOLENOID PWM SIG
PUMP/CAM SPEED SENS SIG
SPEED SENSOR POWER (8V)CRANK SPEED/TIME SENS SIG
ENGINE FUEL TEMP SIGNAL
IMT SIGNAL
FUEL PUMP SOLENOID RETURN
WASTEGATE PWM SIGNALWASTEGATE RETURN
BAT+ (FOR COMMS ADAPTER)BAT- (FOR COMMS ADAPTER)
DATA LINK POSITIVEDATA LINK NEGATIVE
INJECTOR CYLINDER 2 RETURNINJECTOR CYLINDER 2
INJECTOR CYLINDER 1 RETURNINJECTOR CYLINDER 1
INJECTOR CYLINDER 4 RETURNINJECTOR CYLINDER 4
INJECTOR CYLINDER 3 RETURNINJECTOR CYLINDER 3
A4E2 ECUJ2 CONNECTOR
123
BARAMETRICPRESSURE SENSOR R747 GY 34 BARAMETRIC PRESS SIGNAL
123
INTAKE MANIFOLDPRESSURE SENSOR
N940 BUN941 YLN746 PK
47574
IMP POWER SUPPLY (5V)IMP RETURNIMP SIGNAL
COOLANT TEMPSENSOR
12
955 BU 9 COOLANT TEMP SIGNAL
INTAKE MANIFOLDTEMP SENSOR
F711 GN 30J1939-J1939+
12345
J844 GYC246 BK
R884 WHR663 YL
4656
4858
5 VOLT SENSOR SUPPLYSENSOR RETURN
EXHAUST BACK PRES VLV RTNEXHAUST BACK PRES VLV RTN
K443 PK 16 VALVE POSITION SENSOR SIGNAL
12346
Y765 GNY764 YL
3240
NRS VALVE RETURNNRS VALVE SUPPLY
K446 PU 15 NRS VALVE POSITION SENSOR
12
N736 GN 8 NRS TEMPERATURE SENSORNRS TEMPSENSOR
NRS VALVE
EXHAUSTBACK PRESSURE
VALVE
123
NRS OUTLETPRESSURE SENSOR
123
NRS INTAKEPRESSURE SENSOR
N940 BUN941 YLN735 BU
47576
ENG 5 VOLT SENSOR SUPPLY 2ENG 0 VOLT SENSOR RETURN 2NRS INTAKE PRESSURE SENSOR
N737 PU 7 NRS OUTLET PRESSURE SENSOR
EIC 2
EIC 1
250 F BA
ENG GND
Page 11
TL642C & TL943CElectrical Schematic
31200830
Sheet 6 of 6June 5, 2012 - E
TL642C S/N THG00150 & AfterTL943C S/N THH00150 & After
ENGINE HARNESS
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
X639
A [J2]
1
23
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1819202122
23
24
25
26
27
28
2930
3132
33
34
35
36
37
38
39
40
41
42
43
4445
46
47
48
49
50
5152
53
54
55
56
5758
59
60
X640
EIC 1
INJECTOR BANK
PROG
ABCDEFGHJK
X641
EIC 2
123
4
567
8
91011
121314151617181920212223
24
2526
2728
2930
31
32
333435
36
3738
3940
414243
44454647484950515253545556
5758
59
6061
62
X642
K [J1]
ECM CONNECTOR
ECM CONNECTOR
12
3
4
5
6
789
101112131415161718192021222324252627
28
29303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
8182
838485868788899091929394
WHT INJECTOR 1 L1WHT INJECTOR 1 L1WHT INJECTOR 1 H1 WHT INJECTOR 1 H1
WHT INJECTOR 1 L2 WHT INJECTOR 1 L2WHT INJECTOR 1 H2WHT INJECTOR 1 H2
WHT INJECTOR 2 H1WHT INJECTOR 2 H1WHT INJECTOR 2 L1WHT INJECTOR 2 L1
WHT INJECTOR 2 L2 WHT INJECTOR 2 L2WHT INJECTOR 2 H2 WHT INJECTOR 2 H2
WHT FUEL MTR SUPWHT FUEL MTR SUPWHT FUEL MTR UNITWHT FUEL MTR UNIT
WHT OIL PRS SWWHT OIL PRS SWWHT RL PRS SNS GNDWHT RL PRS SNS GNDWHT RL PRS SNS SIGWHT RL PRS SNS SIGWHT RL PRS SNS SUPWHT RL PRS SNS SUPWHT CRNK SPD SIG +WHT CRNK SPD SIG +WHT CRNK SPD SIG -WHT CRNK SPD SIG -
WHT CAM SPD SIGWHT CAM SPD SIGWHT CAM SPD GNDWHT CAM SPD GNDWHT CAM SPD SUPWHT CAM SPD SUP
WHT CLT TMP GNDWHT CLT TMP SIG WHT CLT TMP SIG
WHT FUEL TMP GNDWHT FUEL TMP GNDWHT FUEL TMP SIGWHT FUEL TMP SIG
WHT BOOST PRS SUP WHT BOOST PRS SUPWHT BOOST PRS SIGWHT BOOST PRS SIGWHT BOOST PRS GNDWHT BOOST PRS GNDWHT BOOST TMP SIGWHT BOOST TMP SIGWHT EX GAS PRS SUPWHT EX GAS PRS SUPWHT EX GAS PRS GNDWHT EX GAS PRS GNDWHT EH GAS PRS SIGWHT EH GAS PRS SIG
WHT EGM MOTOR POS WHT EGM MOTOR POSWHT EGR MOTOR NEG WHT EGR MOTOR NEGWHT EGR POS SNS SUP WHT EGR POS SNS SUP
WHT EGR POS SNS SIGWHT EGR POS SNS SIGWHT EGR POS SNS GND WHT EGR POS SNS GND
WHT TVA MOTOR POSWHT TVA MOTOR POSWHT TVA MOTOR NEG WHT TVA MOTOR NEG
WHT TVA POS SNS SUPWHT TVA POS SNS SUPWHT TVA POS SNS SIGWHT TVA POS SNS SIGWHT TVA POS SNS GNDWHT TVA POS SNS GND
WHT ELEC WASTE GATE WHT ELEC WASTE GATE
WHT T3 TEMP SENSOR GND
WHT T3 TEMP SENSOR GND
WHT T3 TEMP SENSOR SIG
WHT T3 TEMP SENSOR SIG
X643
GND
3/8" 2 AWG RING
1
BLK ECM GNDS645
BLK ENG GND
ORG ECM PWR 3ORG ECM PWR 5
BLK ECM GNDBLK ECM GND
S647
OR
G E
CM
PW
R 3
-5
OR
G E
CM
PW
R 1
X652
LAMBDA
CCV HEATER
1
2
34
5
6
X653
TO CHASSIS HARNESS CONNECTOR 4 SHEET 4
12345678910111213141516171819202122232425262728293031
X655 TO STARTER S TERMINAL
VEC GND
VEC PWR
1ORG START SOL
OR
G S
TAR
T S
OL
WHT REGEN DIS LAMP
WHT REGEN DIS LAMP
WHT HEST LAMP
WHT HEST LAMP
WHT DPF SOOT LAMP
WHT DPF SOOT LAMP
WHT REGEN FORCE SW
WHT REGEN FORCE SW
WHT REGEN INH SW
WHT REGEN INH SW
VIO LAMBDA SENSOR CURRENT PUMP
VIO LAMBDA SENSOR CURRENT PUMP
BLK LAMBDA SENSOR GND
BLK LAMBDA SENSOR GND
ORG LAMBDA HEATING
ORG LAMBDA HEATING
ORG IGN
ORG IGN
ORG ECM IGN
OR
G E
CM
IGN
VIO LAMBDA CURRENT ADJUST
VIO LAMBDA CURRENT ADJUST
VIO LAMBDA VOLTAGE NERNST
VIO LAMBDA VOLTAGE NERNST
X658
DOC INLET TEMP21
X659
DPF INLET TEMP12
X660
DPF PRS SENSOR123
GRN AIR TMP
GRN AIR TMPBLK AIR TMP RTN
BLK AIR TMP RTN
VIO DOC INLET TEMP SENSOR SIGNAL
VIO DOC INLET TEMP SENSOR SIGNAL
BLK DOC INLET TEMP SENSOR GND
BLK DOC INLET TEMP SENSOR GND
BLK DPF INLET TEMP SENSOR GND
BLK DPF INLET TEMP SENSOR GNDVIO DPF INLET TEMP SENSOR SIGNAL
VIO DPF INLET TEMP SENSOR SIGNAL
ORG DPF PRS SENSOR SUPPLY
ORG DPF PRS SENSOR SUPPLY
BLK DPF PRS SENSOR GND
BLK DPF PRS SENSOR GNDVIO DPF PRS SENSOR SIGNAL
VIO DPF PRS SENSOR SIGNAL
X661
DIAGNOSTIC (ENGINE)
ABCDEFGHJ
ORG ECM IGNBLK ENG GND
X26
2
TRANSMISSIONSHEET 5
1 2 3 4 5 6 7 8 9 10 11 12
GRN CAN1 L
GRN CAN1 L
X666
WATER IN FUEL SWITCH123
VIO WATER IN FUEL SW
VIO WATER IN FUEL SW
ORG IGN
BLK THR RTN 914
BLK THR RTN 914
ORG THR SUP 911
ORG THR SUP 911
GRN THR SGN 915
GRN THR SGN 915
VIO IVS SIG
VIO IVS SIG
X668
GLOW PLUG CONTROLLER
83542716
ORG GLOW PWR
OR
G G
LOW
PW
R
VIO GLOW PLUG CNTL CMD
VIO GLOW PLUG CNTL CMD
GRY GLOW PLUG CNTL FEEDBACK
GRY GLOW PLUG CNTL FEEDBACK
BLK GLOW PLUG CNTL GND
BLK GLOW PLUG CNTL GND
ORG GLOW PLUG 1
ORG GLOW PLUG 1ORG GLOW PLUG 2
ORG GLOW PLUG 2ORG GLOW PLUG 3
ORG GLOW PLUG 3ORG GLOW PLUG 4
ORG GLOW PLUG 4
WHT IGN
ALTERNATOR
B+
D+
W
EC
241-
B+
1E
C24
1-D
+
1
EC
241-
W1
RED ALT EXCITE
RE
D A
LT E
XC
ITE
RELAY, POWER MODULE
GREEN CONNECTOR
ECM 50A (SW), GLOW 60A (CONT)
BU
SB
AR
RL8
25-B
+1
RL8
25-Y
1R
L825
-R1
RL8
25 1 2
X115ABC
X116ABC
RE
D V
EC
PW
R 1
RED VEC PWR 1
RE
D V
EC
PW
R 2 RED VEC PWR 2
X117 GND1
BLK VEC GND
BLK VEC GND
BLK VEC GND
BLK VEC GND
OR
G M
AIN
RLY
CT
RL
X841 TO STARTER B+1
EC
241-
GN
D1
RED ALT PWR
RE
D A
LT P
WR
150A
X846 GND1
BLK
ALT
GN
D
BLK ALT GND
FUSE, POWER MODULE
VEC 60A (CONT), VEC 60A (CONT)
BU
SB
AR
VEC FUSE
FC
847-
B+
1
FC
847-
Y 1
FC
847-
R 1
RELAY, POWER MODULE
RED CONNECTOR
START 30A (SW),MAIN 60A (CONT)
RL8
64-B
+B
US
SB
AR
1
RL8
64-Y 1
RL8
64-R 1
RL8
64 1 2
WHT WAIT TO START LT
WHT WAIT TO START LT
VIO ENG WARN LT
VIO ENG WARN LT
WHT ENG STOP LT
WHT ENG STOP LT
BR
N T
RA
NS
SO
L Y
1
BRN TRANS SOL Y1
BR
N R
EV
ER
SE
SO
L
BRN REVERSE SOL
BR
N T
RA
NS
SO
L Y
3
BRN TRANS SOL Y3
BR
N T
RA
NS
SO
L
BRN TRANS SOL
BR
N T
RA
NS
SO
L Y
5
BRN TRANS SOL Y5
BR
N T
RA
NS
SO
L Y
6
BRN TRANS SOL Y6
DB
L T
RA
NS
TE
MP
SW
DBL TRANS TEMP SW
IGN
PW
R (
7-33
V)
GR
OU
ND
DIG
ITA
L IN
PU
T 0
DIG
ITA
L IN
PU
T 1
DIG
ITA
L IN
PU
T 2
DIG
ITA
L IN
PU
T 3
PW
M O
UT
PU
T 0
PW
M O
UT
PU
T 1
PW
M O
UT
PU
T 2
PW
M O
UT
PU
T 3
PW
M O
UT
PU
T 4
PW
M O
UT
PU
T 5
AN
ALO
G +
5V O
UT
AN
ALO
G IN
PU
T 0
AN
ALO
G G
RO
UN
DA
NA
LOG
+5V
OU
TA
NA
LOG
INP
UT
1A
NA
LOG
GR
OU
ND
AN
ALO
G IN
PU
T 2
N/A
CA
NB
US
HIG
HC
AN
BU
S L
OW
AN
ALY
ZE
R T
XA
NA
LYZ
ER
RX
PUMP DISPLACEMENT MODULEBLACK GRAY
CO
865-
J11 2 3 4 5 6 7 8 9 10 11 12
CO
865-
J21 2 3 4 5 6 7 8 9 10 11 12
OR
G IG
NB
LK E
NG
GN
D
YE
L C
AN
1 H
YEL CAN1 H
GR
N C
AN
1 L
GRN CAN1 L
WH
T T
X
WHT TX
GR
N R
X
GRN RX
X866 1234
S86
7
S86
8
BLK ENG GND
ORG IGN
BLK ENG GND
HI
LO
YEL CAN1 H
YEL CAN1 H
GRN CAN1 L
GRN CAN1 L
YEL CAN1 H
YEL CAN1 H
GRN CAN1 L
GRN CAN1 L
GRY ISO-K
GRY ISO-K
BLK ON IDLE
BLK ENG GND
VALVEPARK BRAKE
HV
870 1 2
VIO PRK BRK SOL
S87
1 V
IO P
RK
BR
K S
OL
VIO
PR
K B
RK
SO
L
S87
2
BLK ENG GND
BLK
EN
G G
ND
BLK
EN
G G
ND
BLK
EN
G G
ND
BLK
EN
G G
ND
BUSSMANN DIODE PACK 1
5A25A
MS
878
B A C D E F G H
OR
G E
CM
PW
R
OR
G E
CM
PW
R
OR
G E
CM
PW
R
OR
G E
CM
PW
R
S883
BLK ENG GND
BLK
EN
G G
ND
BLK
EN
G G
ND
BLK
EN
G G
ND
S88
4
VIO
MA
IN R
LY C
TR
L
S88
5 O
RN
ST
RLY
OR
G S
T R
LY
VIO
MA
IN R
LY C
TR
L
BLK ENG GND
BLK ENG GND
X889 123456
CAB DASH CONTROLSTO CHASSIS HARNESSSHEET 4S
890
BUSSMAN DIODE PACK 2
5A5A5A
MS
892
A B C D E F G H
OR
G E
CM
PW
R
OR
G E
CM
PW
R
S89
7 O
RG
EC
M IG
N
OR
G M
AIN
PW
R
OR
G M
AIN
PW
R
2 x
4 B
uss
Bar
GE
NE
RIC
MS869 12
3456
78
YEL CAN1 H
YEL CAN1 H
S902 BLK GLOW PLUG CNTL GND
SHIELD CRNK SPD SHLD
S909 ORG ECM PWR 1
OR
G E
CM
PW
R 1
BLK ENG GND
OR
N C
CV
IGN
OR
N C
CV
IGN
X91
0 12
OR
N C
CV
IGN
OR
N C
CV
IGN
BLK ENG GND
BLK
EN
G G
ND
S911
WHT CLT TMP GND
YE
L C
AN
H 1
YEL CAN H 1
GR
N C
AN
L 1
GRN CAN L 1
RED ECM BATT +BLK ECM GND 1
VIO
AN
TS
TL
SIG
VIO ANTSTL SIG
S912 GRN CAN1 L
GRN CAN1 L
S913
YEL CAN1 H
YEL CAN1 H
873087a8586
STARTER CONTROLRELAY
RL914
1
23
4
5
873087a8586
MAN REGEN INTERLOCKRELAY
RL915
1
23
4
5
VIO KEY START
VIO KEY STARTBLK GND
ORN ST RLY
ORN ST RLY
S916 ORN ST RLY
ORN ST RLY
S917
BLK GND
BLK GND
YEL MAN REGEN INTERLOK -
YEL MAN REGEN INTERLOKBLK GND
PLUGGED
PLUGGED
PLUGGED
PLUGGED
ORG ECM IGN
Page 12
TL642C & TL943CElectrical Schematic
31200830
Sheet 6 of 6June 5, 2012 - C
TL642C S/N THL00150 & AfterTL943C S/N SXH00150 & After
ENGINE HARNESS
A
B
C
D
12345678
D
C
A
B
8 7 6 5 4 3 2 1
BUSSMANN DIODE PACK 1GENERIC
MS
910
A B C D E F G H
RELAY, POWER MODULEGENERIC
START 20A (SW),
ECU 30A (CONT)
RED CONN
RL9
15-B
+1
RL9
15-Y 1
RL9
15-R 1
RL9
15 1 2
RELAY, POWER MODULEGENERIC
GLOW 50A (SW),
NO FUSE (CONT)
GREEN CONN
RL9
16-B
+1
RL9
16-Y 1
RL9
16-R 1
RL9
16 1 2
FUSE, POWER MODULEGENERIC
VEC 60A (CONT),
VEC 60A (CONT),
VEC FUSE
FC
917-
B+
1
FC
917-
Y 1
FC
917-
R 1
ALTERNATOR
GENERICENGINE ALTERNATOR
B+
D+
W
EC
918-
B+
1
EC
918-
D+
1
EC
918-
W 1
BU
SS
BA
R
BU
SS
BA
R
BU
SS
BA
R
AM
BIE
NT
TE
MP
SE
NS
OR
GE
NE
RIC
SN919 ABC
150A
PARK BRAKE VALVEGENERIC
HV
921 1 2
X922
TO ECM
123456789
10111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364
X92
3
TO TRANSMISSION HARNESSSHEET 5
1 2 3 4 5 6 7 8 9 10 11 12
X924
VEC PWRABC
X925
VEC GNDABC
X926 TO ENG GND1
X927 TO STARTER B+1
X928 TO STARTER SOL1
X932
TO CHASSIS HARNESS CONNECTOR 4 SHEET 4
12345678910111213141516171819202122232425262728293031
X933 GLOW PLUG1
X934 TO POD GND1
EC
918-
G 1
RED ALT PWR
RE
D A
LT P
WR
BLK
ALT
GN
D
BLK ALT GND
RE
D A
LT E
XC
ITE
RED ALT EXCITE
RE
D V
EC
PW
R 2
RED VEC PWR 2
RE
D V
EC
PW
R 1
RED VEC PWR 1
X936 TO POD GND1
BLK VEC GND
BLK VEC GND
BLK VEC GND
BLK VEC GND
RE
D G
LOW
PW
R
RED GLOW PWR
BLK
CO
LD S
TR
T A
ID
ORG ECU IGNORG ECU IGNS937
ORG ECU IGN
OR
G E
CU
IGN
OR
G E
CU
IGN
S93
8
BLK COLD STRT AID
BLK
CO
LD S
TR
T A
IDPLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
BLK ENG GNDBLK ENG GND
S93
9
S940
BLK
EN
G G
ND
BLK
EN
G G
ND
BLK ECU GND
BLK
EN
G G
ND
BLK
EN
G G
ND
WH
T S
TR
T R
LY
S94
1 S
942
WHT STRT RLY
WH
T S
TR
T R
LYB
LK E
NG
GN
D
BRN TRANS SOL E1
BR
N T
RA
NS
SO
L E
1
BRN TRANS SOL E4
BR
N T
RA
NS
SO
L E
4
BRN TRANS SOL E3
BR
N T
RA
NS
SO
L E
3
BRN TRANS SOL E2
BR
N T
RA
NS
SO
L E
2
BRN TRANS SOL E5
BR
N T
RA
NS
SO
L E
5
BRN TRANS SOL E6
BR
N T
RA
NS
SO
L E
6
VIO PRK BRK SOL
BLU TRANS TMP SW
BLU
TR
AN
S T
MP
SW
S94
3 V
IO P
RK
BR
K S
OL
VIO
PR
K B
RK
SO
L
S944 BLK ECU GNDBLK ECU GNDBLK ECU GND
BLK ECU GNDBLK ECU GND
RED ECU BATS945
RE
D E
CU
BAT
RED ECU BAT
RED ECU BATRED ECU BAT
OR
G S
TR
T S
OL
ORG STRT SOL
VIO ENG WARN LT
VIO ENG WARN LT
ORG ENG STOP LT
ORG ENG STOP LT
BRN THR SUP/911
BRN THR SUP/911
GRN THR SGN/915
GRN THR SGN/915
BLK THR RTN/914
YEL CAN H/904GRN CAN L/905SHIELD CAN SHIELD/020
SHIELD CAN SHIELD/020
VIO IVS
VIO IVS
WHT WAIT TO START LT
WHT WAIT TO START LT
ORG ON-IDLE
ORG ON-IDLE
X946
120 OHM TERMINATORABC
S947 YEL CAN H/904
S948 GRN CAN L/905
YEL CAN H/904GRN CAN L/905
S949 YEL THR RTN/914
BLK AMB SNR RTNRED AMB SNR PWR
RED AMB SNR PWR
WHT AMB SNR SIG
WHT AMB SNR SIG
PLUGGED
PLUGGED
PLUGGED
