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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2004MONTANA VAN PASSENGERREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS - INLINE HARNESS CONNECTOR END VIEWSCONNECTOR END VIEWSINLINE HARNESS CONNECTOR END VIEWSC206
2004 Pontiac Montana Van Passenger
Inline Harness Connector End Views: C206
2004 Pontiac Montana Van PassengerSECTION C206
C206 I/P Harness to the Vehicle Communications Unit Harness
| Connector Part Information |
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Connector Part Information |
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|---|---|---|---|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function | Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 1235 | Audio Low Reference | A | LT BLU | 1235 | Audio Low Reference |
| B | BRN/WHT | 2506 | Audio Return Signal | B | BRN/WHT | 2506 | Audio Return Signal |
| C | DK GRN/WHT | 2507 | Audio Transmit Signal | C | DK GRN/WHT | 2507 | Audio Transmit Signal |
| D | BARE | 1792 | Drain Wire | D | BARE | 1792 | Drain Wire |
| E | GRY/BLK | 2508 | Microphone Signal | E | GRY/BLK | 2508 | Microphone Signal |
| F | ORN | 2240 | Battery Positive Voltage | F | ORN | 2240 | Battery Positive Voltage |
| G | TAN/BLK | 2510 | OnStar® Serial Data Return | G | TAN/BLK | 2510 | OnStar® Serial Data Return |
| H | DK BLU/WHT | 2511 | OnStar® Serial Data (-) | H | DK BLU/WHT | 2511 | OnStar® Serial Data (-) |
| J | LT BLU/BLK | 2512 | OnStar® Serial Data (+) | J | LT BLU/BLK | 2512 | OnStar® Serial Data (+) |
| K | GRY | 2520 | Transceiver Low Reference | K | GRY | 2520 | Transceiver Low Reference |
| L | PPL/WHT | 2513 | Ignition ON Signal | L | PPL/WHT | 2513 | Ignition ON Signal |
| M | - | - | Not Used | M | - | - | 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.