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.
Special Tools
Illustration
Tool Number/Description
Courtesy of GENERAL MOTORS CORP.
J 33431-C Signal Generator and Instrument Panel Tester