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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 898 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)COMPONENT LOCATORENTERTAINMENT/COMMUNICATION CONNECTORSRADIO C2 (Y91)
2006 Chevrolet Suburban C2500, 6.0 U
Radio C2 (Y91)
2006 Chevrolet Suburban C2500, 6.0 USECTION Radio C2 (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 C2 (Y91) Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Radio C2 (Y91) Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | BN/WH | 367 | Remote Radio Left Audio Signal |
| 2 | D-GN/WH | 368 | Remote Radio Right Audio Signal |
| 3 | Bare | 2099 | Drain Wire |
| 4 | L-GN | 7396 | DVD Video Signal 2 (+) (DNU) |
| 5 | BN/WH | 599 | Left Rear Low Level Audio Signal (+) |
| 6 | D-BU | 546 | Right Rear Low Level Audio Signal (+) |
| 7 | D-BU | 658 | Cellular Telephone Voice Signal (UE1) |
| 8 | - | - | Not Used |
| 9 | TN/WH | 372 | Remote Radio Audio Output (-) |
| 10 | GY | 388 | Remote Radio Right Audio Signal |
| 11 | Bare | 1573 | Drain Wire (U2K) |
| 12 | WH | 7394 | DVD Video Signal 2 (-) (DNU) |
| 13 | BN | 1999 | Left Rear Low Level Audio Signal (-) |
| 14 | TN | 1946 | Right Rear Low Level Audio Signal (-) |
| 15 | L-BU/BK | 659 | Low Reference (UE1) |
| 16 | D-GN/WH | 7395 | Video Mode 2 Signal (DNU) |
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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.