This guide is for educational purposes. Wiring colors and pin locations can vary based on the specific vehicle model and production year. Always consult a factory service manual for your specific chassis before making wiring modifications.

| Pin | Code | Function | | :--- | :--- | :--- | | | W | Check Engine Light (MIL) | | C8 | TE1 | Diagnostic Jumper (for blinking codes) | | C9 | TE2 | Diagnostic Test Mode | | C10 | E1 | Diagnostic Ground |