Diagnostic Aids
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Condition could be caused by a short to ground or voltage, high or low resistance in circuits 2163 or 2164.
NOTE:
For circuit number and wire color identification, see WIRING DIAGRAMS .