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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 252 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)COMPONENT LOCATORENTERTAINMENT/COMMUNICATION CONNECTORSAUDIO AMPLIFIER C1 (U87)
2006 Buick Terraza CXL, 3.5 L, AWD
Audio Amplifier C1 (U87)
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Audio Amplifier C1 (U87)
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Audio Amplifier C1 (U87) Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Audio Amplifier C1 (U87) Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | TN | 511 | Left Front Low Level Audio Signal (+) |
| 2 | L-GN | 512 | Right Front Low Level Audio Signal (+) |
| 3 | BN/WH | 599 | Left Rear Low Level Audio Signal (+) |
| 4 | D-BU | 546 | Right Rear Low Level Audio Signal (+) |
| 5-8 | - | - | Not Used |
| 9 | D-GN | 1947 | Left Front Low Level Audio Signal (-) |
| 10 | L-GN/BK | 1948 | Right Front Low Level Audio Signal (-) |
| 11 | BN | 1999 | Left Rear Low Level Audio Signal (-) |
| 12 | TN | 1946 | Right Rear Low Level Audio Signal (-) |
| 13-16 | - | - | 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:
- • 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.