Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
Connectors
G4XXTREMEX-A
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Injector | corroborated· Vendor | OEM-A-1ACInjector 4 (rear secondary) | ||
| Injector | corroborated· Vendor | OEM-A-1YInjector 3 (front secondary) | ||
| Injector | corroborated· Vendor | OEM-A-1UInjector 2 (rear primary) | ||
| Injector | corroborated· Vendor | OEM-A-1QInjector 1 (front primary) | ||
| Power in | corroborated· Vendor | SP-14V-1 | ||
| 5V / 8V ref | corroborated· Vendor | not connected | ||
| Shield | corroborated· Vendor | not connected | ||
| Crank / cam | corroborated· Vendor | OEM-C-3RCrank position (CAS NE) | ||
| Crank / cam | corroborated· Vendor | OEM-C-3UHome position (CAS G) | ||
| Ignition | corroborated· Vendor | not connected | ||
| Ignition | corroborated· Vendor | OEM-D-4ANIgnition leading (wasted spark) | ||
| Ignition | corroborated· Vendor | OEM-D-4AJIgnition rear trailing | ||
| Ignition | corroborated· Vendor | OEM-D-4AFIgnition front trailing | ||
| Analog in | corroborated· Vendor | OEM-C-3HOMP position sensor | ||
| Temp in | corroborated· Vendor | OEM-C-3WCoolant temperature (ECT) | ||
| Temp in | corroborated· Vendor | OEM-C-3TIntake air temperature (IAT) | ||
| Analog in | corroborated· Vendor | OEM-D-4AHMAP sensor (PIM) | ||
| Low-side out | corroborated· Vendor | OEM-D-4GFuel pump relay | ||
| Low-side out | corroborated· Vendor | OEM-D-4FFuel pump speed relay | ||
| Low-side out | corroborated· Vendor | OEM-D-4DAir pump clutch relay | ||
| Low-side out | corroborated· Vendor | OEM-A-1HCooling fan relay (low speed) | ||
| Analog in | corroborated· Vendor | OEM-C-3IThrottle position (TPS, full range) | ||
| Digital in | corroborated· Vendor | OEM-D-4SClutch switch | ||
| Sensor ground | corroborated· Vendor | SP-0V-1 | ||
| Ground | corroborated· Vendor | SP-GND-1 | ||
| Switch out | corroborated· Vendor | OEM-A-1CIdle speed control (ISC) solenoid | ||
| Switch out | corroborated· Vendor | OEM-D-4LCooling fan relay (high speed) | ||
| Switch out | corroborated· Vendor | OEM-D-4KCooling fan relay (low speed) | ||
| Switch out | corroborated· Vendor | OEM-D-4IA/C relay | ||
| Digital in | corroborated· Vendor | OEM-D-4QVehicle speed sensor | ||
| Digital in | corroborated· Vendor | OEM-D-4AABrake pedal switch | ||
| 5V / 8V ref | corroborated· Vendor | OEM-C-3A+5V sensor supply | ||
| Analog in | corroborated· Vendor | OEM-C-3DO2 sensor (narrowband) | ||
| Ground | corroborated· Vendor | SP-GND-1 |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with