Wiring Diagram for Mach 460 Mods

WHT / ORG
PIE
connector
Precision Interface Electronics
FRDN-AUX
VSS input
(Pin 68)
GRY / PUR
J3 20-pin
receptacle
J1 16-pin
receptacle
Chassis ground lug
OEM 16-pin
J1 connector
12V DC
(Pin 9)
BLK / GRN
J3 PIE 20-pin
connector
Multi-wire harness
VSS circuit
(Pin 9)
YEL
LT BLU / VIO
Wiring Diagram for Mach 460 Mods
OEM Powertrain Control Module connector
OEM “Mach 460” Audio Head Unit
12V DC (GRY / PUR)
Ground lead (BLK / GRN)
Not used
PIE adapter connector
Mach 460 J3 connector
SSV lead with bullet
connector on one end
Mach 460 ground lug
Ground lead
To pin 9 of Mach 460 J1
connector (12V DC)
Bullet receptacle for SSV
signal on wire from pin 9
of J3 connector
Mach 460 J3 receptacle
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