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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 VIEWSCOURTESY LAMP - LEFT FRONT (V4U)
2010 Buick Lucerne CXL, 3.9 1

Courtesy Lamp - Left Front (V4U)

2010 Buick Lucerne CXL, 3.9 1SECTION Courtesy Lamp - Left Front (V4U)
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.
Fig 1: Courtesy Lamp - Left Front (V4U) Connector End View
GM333035Courtesy of GENERAL MOTORS COMPANY
Courtesy Lamp - Left Front (V4U)

Pin Wire Circuit Function
A 0.35 L-BU 941 12-Volt Reference
B 0.35 BK/WH 943 Signal Ground
C 0.35 D-GN 942 Courtesy Lamp Relay Control
Connector Part Information
  • Harness Type: Headliner
  • OEM Connector: 12047781
  • Service Connector: 12101864
  • Description: 3-Way F Metri-Pack 150 Series (BK)
Terminal Part Information
  • Terminated Lead: 13575464
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-14 (GN)
  • Terminal/Tray: 15326030/5
  • Core/Insulation Crimp: E/C
RENDER: 1.0x

NO RELATED

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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.