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AC/ Heater Blower Not working

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Old 05-05-2019, 07:42 PM
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jrumer
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Default AC/ Heater Blower Not working

My 78 blower only works when the AC/Heater is in off position. And only one blower speed.
When I turn on the AC/Heater the blower stops.

Anyone able to help?
Old 05-05-2019, 08:06 PM
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4-vettes
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Sounds like a bad switch to me. I'd be pulling it out and check by crossing wires.
Old 05-05-2019, 09:28 PM
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0Willcox Corvette
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Here is the link to help on our tech site... http://repairs.willcoxcorvette.com/?yt=1978&s=blower

and below is a diagram to help you.

Willcox

Last edited by Willcox Corvette; 05-05-2019 at 09:29 PM.
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