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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1434 (Transfer Case - NVG 126-NP4) >> Diagnostic Information and Procedures >> Service Indicator Always On >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Oldsmobile Bravada and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

The SERVICE AWD indicator is located in the instrument cluster and shares the instrument cluster common power and ground. The transfer case shift control module controls the SERVICE AWD indicator by sending the instrument cluster a Class 2 message. This lamp may be controlled with the scan tool using the instrument cluster device controls.

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