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.
2005 Saturn Relay AWDFACTORY OEM SERVICE PROCEDURE
Radio C2
Entertainment Connector End Views
Connector Part Information
|
Terminal Part Information
|
Radio C2
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A-B | - | - | Not Used |
| C | BARE | 814 | Drain Wire (U2K) |
| BARE | 814 | Drain Wire (U42 or U56) | |
| D | - | - | Not Used |
| E | D-GN | 389 | Vehicle Speed Signal (U3U) |
| F-G | - | - | Not Used |
| H | D-GN/WH | 368 | Remote Playback Device Right Audio Signal (U2K) |
| D-GN/WH | 368 | Remote Playback Device Right Audio Signal (U42 or U56) | |
| J | BN/WH | 367 | Remote Playback Device Left Audio Signal (U2K) |
| BN/WH | 367 | Remote Playback Device Left Audio Signal (U42 or U56) | |
| K | TN/WH | 372 | Remote Playback Device Audio Common Signal (U2K) |
| TN/WH | 372 | Remote Playback Device Audio Common Signal (U42 or U56) | |
| L | L-BU | 1405 | Remote Playback Device Audio Common Signal (UE1) |
| M | OG/BK | 1406 | Remote Playback Device Left Audio Signal (UE1) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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