SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 320 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ENGINE CONTROL MODULE X2 THROUGH PRESSURE CONTROL SOLENOID)COMPONENT CONNECTOR END VIEWSLUMBAR ADJUSTER SWITCH - DRIVER (WITHOUT A45)
2010 Buick Lucerne CXL, 3.9 1

Lumbar Adjuster Switch - Driver (without A45)

2010 Buick Lucerne CXL, 3.9 1SECTION Lumbar Adjuster Switch - Driver (without A45)
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: Lumbar Adjuster Switch - Driver (without A45) Connector End View
GM73146Courtesy of GENERAL MOTORS COMPANY
Lumbar Adjuster Switch - Driver (without A45)

Pin Wire Circuit Function
A 2 PU 767 Driver Seat Lumbar Motor Down Control
B 2 PK 610 Driver Seat Lumbar Motor Rearward Control
C 2 D-BU 611 Driver Seat Lumbar Motor Forward Control
D - - Not Used
E 2 BK 350 Ground
F 2 TN 768 Driver Seat Lumbar Motor Up Control
G 2 RD/PK 1140 Battery Positive Voltage
Connector Part Information
  • Harness Type: Left Front Seat
  • OEM Connector: 12052854
  • Service Connector: 15862656
  • Description: 7-Way F Metri-Pack 280 Series (BK)
Terminal Part Information
  • Terminated Lead: Pending
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: F/G
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.