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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 982 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC COMPASS MODULE TO MEMORY SEAT MODULE (X4))COMPONENT CONNECTOR END VIEWSMEMORY SEAT MODULE (MSM) X4 (AN3)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Memory Seat Module (MSM) X4 (AN3)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Memory Seat Module (MSM) X4 (AN3)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
GM1664549Courtesy of
Connector Part Information
  • Harness Type: Driver Seat
  • OEM Connector: 6098-4610
  • Service Connector: 15134092
  • Description: 16-Way F (GN)
Terminal Part Information
  • Terminated Lead: 13327201
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 8240-0128/22
  • Core/Insulation Crimp: C/A
Memory Seat Module (MSM) X4 (AN3)

Pin Wire Circuit Function
1 1 PU 767 Driver Seat Lumbar Motor Down Control
2 1 TN 768 Driver Seat Lumbar Motor Up Control
3-6 - - Not Used
7 1 BN 2112 Steering Column Tilt Motor Down Control
8 1 RD 2111 Steering Column Tilt Motor Up Control
9 1 PU 5130 Adjustable Pedal Motor Forward Control (JF4)
10 1 OG/BK 5129 Adjustable Pedal Motor Rearward Control (JF4)
11 - - Not Used
12 1 D-BU 611 Driver Seat Lumbar Motor Forward Control
13 1 PK 610 Driver Seat Lumbar Motor Rearward Control
14 1 PK 2480 Ground (without KB6)
15 1 L-GN 276 Driver Seat Recline Motor Forward Control
16 1 L-BU 277 Driver Seat Recline Motor Rearward Control
RENDER: 1.0x

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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.