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.
Vehicle Communication Unit (VCU) Connector End View C1
2005 Saturn Relay AWDSECTION Vehicle Communication Unit (VCU) Connector End View C1
Cellular Communication Connector End Views
Connector Part InformationÂ
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Terminal Part InformationÂ
|
Vehicle Communication Unit (VCU) C1
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | - | - | Not Used |
| 2 | BN/WH | 2517 | Keypad Red LED Signal |
| 3 | YE/BK | 2516 | Keypad Green LED Signal |
| 4 | - | - | Not Used |
| 5 | OG/BK | 2518 | Keypad Ground |
| 6 | L-GN/BK | 2515 | Keypad Supply Voltage |
| 7 | - | - | Not Used |
| 8 | BK/WH | 351 | Ground |
| 9-10 | - | - | Not Used |
| 11 | D-GN/WH | 2514 | Keypad Signal |
| 12-14 | - | - | Not Used |
| 15 | RD/WH | 2340 | Battery Positive Voltage |
| 16 | - | - | Not Used |
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.