OEM “Mach 460” Audio Head Unit
J3 20-pin receptacle
J1 16-pin receptacle
Precision Interface Electronics FRDN-AUX
WH
T / OR
G
OEM
Powertrain C
ontrol Module connector
VSS input (Pin 68)
YEL
VSS circuit (Pin 9)
GR
Y / PU
R
OEM 16-pin J1 connector
12V DC (Pin 9)
LT BLU
/ VIO
PIE connector
Chassis ground lug
J3 PIE 20-pin connector
Multi-wire harness
BLK / GRN
Wiring Diagram for Mach 460 Mods
PIE adapter connector
Not used
Mach 460 J3 connector
Ground lead (BLK / GRN)12V DC (GRY / PUR)
Mach 460 J3 receptacle
SSV lead with bullet connector on one end
Mach 460 ground lug
To pin 9 of Mach 460 J1 connector (12V DC)
Bullet receptacle for SSV signal on wire from pin 9 of J3 connector
Ground lead
12V DC PIE adapter connection to tap on wire from pin 9 of OEM Mach 460 J1 connector
Obligatory shot of PCM wiring harness spaghetti
Mach 460 SSV circuit tap on WHT/ORG wire from pin 68 of PCM harness connector (vehicle speed sensor signal)
PCM wiring harness modification complete and ready to button up
