Instrument Cluster Schematics (Power, Ground, Serial Data)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Instrument Cluster Schematics Diagram - Power, Ground & Serial Data

Courtesy of GENERAL MOTORS CORP.

Fig 2: Instrument Cluster Schematics Diagram - Gages, VSS & Engine Oil Signals

Courtesy of GENERAL MOTORS CORP.

Fig 3: Instrument Cluster Schematics Diagram - Indicators, DIC Controls & Washer Fluid Level Switch

Courtesy of GENERAL MOTORS CORP.

Fig 4: Instrument Cluster Schematics Diagram - Fuel Gage

Courtesy of GENERAL MOTORS CORP.