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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 898 (SUNROOF SYSTEM)VISUAL IDENTIFICATIONSUNROOF CONNECTORSSUNROOF SWITCH
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Sunroof Switch

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Sunroof Switch
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Sunroof Switch Connector End View
GM1283887Courtesy of GENERAL MOTORS CORP.
Sunroof Switch Connector Parts Information

Connector Part Information 
  • OEM: 12103492
  • Service: 89046705
  • Description: 8-Way F Receptacle 0.64 Series (BK)
Terminal Part Information 
  • Terminal/Tray: 16-02-1110/20
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Sunroof Switch Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 D-GN 2074 Sunroof Switch Express Signal
2 OG/BK 144 Sunroof Switch Open Vent Signal
3 BN/WH 230 Instrument Panel Lamp Dimming Control
4 OG 110 Sunroof Switch Close Signal
5 BK 1050 Ground
6 BN 100 Sunroof Switch Open Signal
7 - - Not Used
8 PK 2075 Sunroof Switch Close Vent Signal
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:

  • • 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.