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.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 731 (POWER ROOF SYSTEM)COMPONENT LOCATORPOWER ROOF SYSTEMS CONNECTOR END VIEWS
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Power Roof Systems Connector End Views
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Power Roof Systems Connector End Views
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Sunroof Control Module C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 3840 | Battery Positive Voltage |
| B | D-GN | 127 | Sunroof Motor Open Control |
| C | L-GN | 129 | Sunroof Motor Close Control |
| D | BK | 1050 | Ground |
Sunroof Control Module C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | D-GN | 5814 | Low Reference |
| 2 | - | - | Not Used |
| 3 | YE/BK | 5034 | Hall Effect Sensor 1 Signal |
| 4 | TN | 5124 | Hall Effect Sensor 2 Signal |
| 5 | GY | - | Manufacturing Mode |
| 6 | D-BU | 1353 | RAP Supply Voltage |
| 7 | OG | 110 | Sunroof Switch Close Signal |
| 8 | BN | 100 | Sunroof Switch Open Signal |
Sunroof Motor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | D-GN | 127 | Sunroof Motor Open Control |
| 2 | YE/BK | 5034 | Hall 2 Sensor |
| 3 | D-GN | 5814 | Low Reference |
| 4 | TN | 5124 | Hall 1 Sensor |
| 5 | L-GN | 129 | Sunroof Motor Close Control |
Sunroof Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 110 | Sunroof Switch Close Signal |
| B | BN/WH | 230 | Instrument Panel Lamps Dimming Control |
| C | BK | 1050 | Ground |
| D | - | - | Not Used |
| E | BN | 100 | Sunroof Switch Open Signal |
| F | D-BU | 1353 | RAP Supply Voltage |
| G-H | - | - | Not Used |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.