The first three fan speeds in my jeep don't work I already replaced the switch for it but that didn't solve the problem. What would my next thing to check be?
HVAC system help
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Probably the blower motor resistor....
https://www.youtube.com/watch?v=viPRceG7q5s -
It seems to happen a good bit in TJ's.
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Autozone sells a lifetime one.
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Yep, sounds like the resistor, very easy to change in a XJ, probably just as easy in wrangler if that is what you have.
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Yep, sounds like the resistor, very easy to change in a XJ, probably just as easy in wrangler if that is what you have.Actually, a PITA in TJ. Buried behind the glove box.
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