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.
Relay Block - I/P C3
2008 Pontiac Grand Prix BaseSECTION Relay Block - I/P C3
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Relay Block - I/P C3 Connector Parts Information
Connector Part Information
|
Relay Block - I/P C3 Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | L-GN | 24 | Backup Lamp Supply Voltage |
| B | OG | 4540 | Battery Positive Voltage |
| C | BK | 1050 | Ground |
| D | - | - | Not Used |
| E | BN | 341 | Ignition 3 Voltage |
| F | - | - | Not Used |
| G | BK/WH | 1704 | Low Reference |
| H-J | - | - | Not Used |
| K | D-GN/WH | 636 | Ambient Air Temperature Sensor Signal |
| L | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| M | OG | 1732 | Inadvertent Power Supply Voltage |
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.