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 MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 314 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 1-2 SHIFT SOLENOID THROUGH ENGINE CONTROL MODULE X1)COMPONENT CONNECTOR END VIEWSAMPLIFIER X3 (UQ3)
2010 Buick Lucerne CXL, 3.9 1
Amplifier X3 (UQ3)
2010 Buick Lucerne CXL, 3.9 1SECTION Amplifier X3 (UQ3)
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Amplifier X3 (UQ3)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.5 TN | 511 | Left Front Low Level Audio Signal |
| 2 | 0.5 D-GN/RD | 1947 | Left Front Low Level Audio (-) |
| 3 | 0.5 BN | 1999 | Left Rear Low Level Audio (-) |
| 4 | 0.5 BN/WH | 599 | Left Rear Low Level Audio Signal |
| 5 | - | - | Not Used |
| 6 | 0.35 PK | 5165 | Antenna 14-Volt Switched Supply Voltage |
| 7-8 | - | - | Not Used |
| 9 | 0.5 L-GN | 1948 | Right Front Low Level Audio (-) |
| 10 | 0.5 L-GN/WH | 512 | Right Front Low Level Audio Signal |
| 11 | 0.5 D-BU | 546 | Right Rear Low Level Audio Signal |
| 12 | 0.5 TN/RD | 1946 | Right Rear Low Level Audio (-) |
| 13-15 | - | - | Not Used |
| 16 | 0.35 PU | 2334 | Amplifier Control |
Connector Part Information
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Terminal Part Information
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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:
- 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.