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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 921 (POWER SEAT SYSTEM)COMPONENT LOCATORPOWER SEAT CONNECTOR END VIEWSLUMBAR/BOLSTER SWITCH - DRIVER
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Lumbar/Bolster Switch - Driver

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Lumbar/Bolster Switch - Driver
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Lumbar/Bolster Switch - Driver

GM73146
Connector Part Information
  • 12052854
  • 7-Way F M/P 280 Series (BLK)
Pin Wire Color Circuit No. Function
A ORN 1440 Battery Positive Voltage
B TAN 768 Driver Seat Lumbar Motor Up Control
C BLK 2350 Ground
D - - Not Used
E PNK 610 Driver Seat Lumbar Motor Rearward Control
F DK BLU 611 Driver Seat Lumbar Motor Forward Control
G PPL 767 Driver Seat Lumbar Motor Down Control
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.
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  • • 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.