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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 8 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)COMPONENT LOCATORENTERTAINMENT/COMMUNICATION CONNECTORSRADIO C3 (Y91)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Radio C3 (Y91)
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Radio C3 (Y91)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Radio C3 (Y91) Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Radio C3 (Y91 w/U42) Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | YE | 2059 | Auxiliary Audio Left Signal |
| 2 | WH | 2058 | Auxiliary Audio Right Signal |
| 3 | L-BU | 5826 | Left DVD Audio Signal (+) |
| 4 | WH | 5828 | Right DVD Audio Signal (+) |
| 5 | OG/BK | 5831 | Remote Infra Red Signal (+) |
| 6 | PK/BK | 5844 | Video Bright Control |
| 7 | D-GN | 6975 | DVD Video Signal (+) |
| 8 | PU | 2056 | Auxiliary Video High Signal |
| 9 | Bare | 5345 | Drain Wire |
| 10 | L-GN/BK | 5845 | Video Module Signal |
| 11 | PU | 6979 | DVD Audio Common |
| 12 | Bare | 6980 | DVD Audio Shield |
| 13 | TN/WH | 5830 | Remote Infra Red Signal (-) |
| 14 | Bare | 6976 | DVD Video Drain Wire |
| 15 | WH/BK | 5335 | DVD Video Signal (-) |
| 16 | Bare | 5346 | Video Drain Wire |
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.