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.
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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 539 (WIRING SYSTEMS - CONNECTOR END VIEWS)CONNECTOR END VIEWSINLINE HARNESS CONNECTOR END VIEWSC308
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Inline Harness Connector End Views: C308
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION C308
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
C308 (Pontiac)
| Connector Part Information |
|
Connector Part Information |
|
||||
|---|---|---|---|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function | Pin | Wire Color | Circuit No. | Function |
| A1-A2 | - | - | Not Used | A1-A2 | - | - | Not Used |
| A3 | BARE | 814 | Drain Wire (U32) | A3 | BARE | 814 | Drain Wire (U32) |
| A4 | ORN | 4240 | Battery Positive Voltage (U32) | A4 | ORN | 4240 | Battery Positive Voltage (U32) |
| A5 | BLK/WHT | 351 | Ground (U32) | A5 | BLK/WHT | 351 | Ground (U32) |
| A6 | PNK | 1045 | Ignition 3 Voltage (U32) | A6 | PNK | 1045 | Ignition 3 Voltage (U32) |
| A7 | BLK/WHT | 367 | Remote Radio Left Audio Signal (U32) | A7 | BLK/WHT | 367 | Remote Radio Left Audio Signal (U32) |
| A8 | DK GRN/WHT | 368 | Remote Radio Right Audio Signal (U32) | A8 | DK GRN/WHT | 368 | Remote Radio Right Audio Signal (U32) |
| A9 | DK GRN | 1927 | Rear Defog Element Supply Voltage | A9 | DK GRN | 1927 | Rear Defog Element Supply Voltage |
| A10 | - | - | Not Used | A10 | - | - | Not Used |
| A11 | WHT | 17 | Stop Lamp Switch Signal | A11 | WHT | 17 | Stop Lamp Switch Signal |
| A12 | BARE | 1705 | Drain Wire (UE1) | A12 | BARE | 1705 | Drain Wire (UE1) |
| A13 | GRY | 655 | Cellular Microphone Signal (UE1) | A13 | GRY | 655 | Cellular Microphone Signal (UE1) |
| A14 | DK GRN/WHT | 2514 | Keypad Signal (UE1) | A14 | DK GRN/WHT | 2514 | Keypad Signal (UE1) |
| A15 | LT GRN/BLK | 2515 | Keypad Supply Voltage (UE1) | A15 | LT GRN/BLK | 2515 | Keypad Supply Voltage (UE1) |
| B1-B2 | - | - | Not Used | B1-B2 | - | - | Not Used |
| B3 | BLK/WHT | 372 | Remote Radio Audio Output (-) (U32) | B3 | BLK/WHT | 372 | Remote Radio Audio Output (-) (U32) |
| B4 | ORN | 1732 | Courtesy Lamps Supply Voltage | B4 | ORN | 1732 | Courtesy Lamps Supply Voltage |
| B5 | - | - | Not Used | B5 | - | - | Not Used |
| B6 | GRY/BLK | 690 | Courtesy Lamp Low Control | B6 | GRY/BLK | 690 | Courtesy Lamp Low Control |
| B7 | LT BLU | 115 | Right Rear Speaker Output (-) (w/o UQ3) | B7-B8 | - | - | Not Used |
| B8 | - | - | Not Used | ||||
| B9 | YEL | 643 | Accessory Voltage (CF5) | B9 | YEL | 643 | Accessory Voltage (CF5) |
| B10 | YEL | 116 | Left Rear Speaker Output (-) (w/o UQ3) | B10 | YEL | 116 | Left Rear Speaker Output (-) (w/o UQ3) |
| B11 | BRN | 199 | Left Rear Speaker Output (+) (w/o UQ3) | B11 | BRN | 199 | Left Rear Speaker Output (+) (w/o UQ3) |
| B12 | YEL/BLK | 2516 | Keypad Green LED Signal (UE1) | B12 | YEL/BLK | 2516 | Keypad Green LED Signal (UE1) |
| B13 | ORN/BLK | 2518 | Keypad Low Reference (UE1) | B13 | ORN/BLK | 2518 | Keypad Low Reference (UE1) |
| B14 | BRN/WHT | 2517 | Keypad Red LED Signal (UE1) | B14 | BRN/WHT | 2517 | Keypad Red LED Signal (UE1) |
| B15 | - | - | Not Used | B15 | - | - | 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.