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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window System >> Testing >> Windows Do Not Operate From Driver's Window Switch (4-Door)
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Windows Do Not Operate From Driver's Window Switch (4-Door)

Turn ignition switch to RUN position. Disconnect left front window switch. Connect test light between Yellow wire and ground. If test light illuminates, replace left front window switch. If test light does not illuminate, repair open in Yellow wire between left front window switch and instrument panel fuse block.