Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Body Control Module (BCM) C3 Connector End View
2004 Pontiac GTO StandardSECTION Body Control Module (BCM) C3 Connector End View
Body Control Module (BCM) C3 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK/GN | 150 | Ground |
| 2 | OG | 300 | Ignition 3 Voltage |
| 3 | BU/WH | 112 | Windshield Wiper Switch Signal 1 |
| 4 | BN/WH | 4 | Accessory Voltage |
| 5 | RD/WH | 66 | A/C Request Signal |
| 6-7 | - | - | Not Used |
| 8 | BK/RD | 1576 | Rear Compartment Lid Release Switch Signal |
| 9 | GN | 63 | Blower Motor Medium 1 Control |
| 10 | YE/RD | 314 | Radio On Signal |
| 11 | YE/BU | 263 | Tamper Switch Signal |
| 12 | - | - | Not Used |
| 13 | L-BU | 228 | Windshield Washer Pump Control |
| 14 | - | - | Not Used |
| 15 | GN | 1149 | Content Theft Horn Control |
| 16 | BN | 111 | Hazard Switch Signal |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.