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 G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 500 (CELLULAR COMMUNICATION SYSTEM)COMPONENT LOCATORCELLULAR COMMUNICATION CONNECTOR END VIEWS
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Cellular Communication Connector End Views
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Cellular Communication Connector End Views
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.
Cellular Microphone Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BARE | 1705 | Drain Wire |
| B | GRY | 655 | Cellular Telephone Microphone Signal |
OnStar® Button Assembly Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT GRN/BLK | 2515 | Keypad Supply Voltage |
| B | DK GRN/ WHT |
2514 | Keypad Signal |
| C-D | - | - | Not Used |
| E | ORN/BLK | 2518 | Keypad Low Reference |
| F | YEL/BLK | 2516 | Keypad Green LED Signal |
| G | BRN/WHT | 2517 | Keypad Red LED Signal |
| H | - | - | Not Used |
Vehicle Communication Interface Module (VCIM) - C1 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | BRN/WHT | 2517 | Keypad Red LED Signal |
| 3 | YEL/BLK | 2516 | Keypad Green LED Signal |
| 4 | - | - | Not Used |
| 5 | ORN | 2518 | Keypad Ground |
| 6 | LT GRN/BLK | 2515 | Keypad Supply Voltage |
| 7 | BLK/WHT | 1851 | Ground |
| 8-10 | - | - | Not Used |
| 11 | DK GRN/WHT | 2514 | Keypad Signal |
| 12-14 | - | - | Not Used |
| 15 | ORN | 3240 | Battery Positive Voltage |
| 16 | - | - | Not Used |
Vehicle Communication Interface Module (VCIM) - C2 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BRN/WHT | 9367 | Remote Radio Left Audio Signal |
| 2 | BLK/WHT | 9372 | Remote Radio Audio Output (-) |
| 3-5 | - | - | Not Used |
| 6 | GRY | 2289 | Class 2 Serial Data |
| 7 | - | - | Not Used |
| 8 | BARE | 814 | Drain Wire |
| 9 | GRY | 655 | Cellular Microphone Signal |
| 10 | BARE | 1705 | Drain Wire |
| 11-12 | - | - | 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.