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1990 Chevrolet Blazer Question: blowing fuses



mrstea, 5.7L V8, Lake Geneva, WI, July 07, 2013, 21:06

When going from vent to off I blow a fuse. What could be causing this problem?

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  • Answer #1

    July 07, 2013, 23:39

    Short circuit in mode selector switch in the control panel. Part prob. discontinued. You can check. AC and other controls work ok?

    Update! Try NAPA part # TEM 207465. AC mode selector switch. That lever activates this switch, will need to remove the heater control panel to replace it. Not a hard fix if a little car savvy.

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