I have a 81 chevy 1/2 ton 4x4, when I turn on the lights or windshield wipers the gauges stop working
Jul 28, 2011 at 6:39 PM
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JDL
CERTIFIED EXPERT
16,098 POSTS
When the problem is ongoing, check the gage fuse in the fuse box for voltage, That voltage comes from the ignition switch. My wiring info for that model year, 81, isn't very good.
Jul 28, 2011 at 7:10 PM
R3DHEADEDCOUNTRYGIRL
MEMBER
14 POSTS
sounds like a ground wire to me, check your grounds