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Heater Cores and Blower Fans
Chrysler LHS
Nissan Pathfinder
Chevy Blazer S-10

Why does blower motor stay on high and won't turn off 02 pathfinder?

Answer

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Wiki User
January 18, 2006 7:41AM

The transistor that drives the various levels of the blower motor is shot. It is shorted internally. This part is around $100 at your dealer. unless you had a bad relay and some used car dealer just jumped the relay with a wire. not saying this ever happened to me though...