Question about 1987 Jeep Comanche

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Heater blower motor doesn't come on when switched on

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There could be several reasons.#1 a blown fuse/relay. I would start here they are located in a panel under the dash on driveers side or under the hood in the junction box.#2it could be the switch itself. the way to test this is remove the lead to the motor which is located on the passenger side under the dash behind the glove box or under the hood. use a test light to see if you have voltage. if you do the reostat and or motor is bad if you have no voltage and the fuse/relay were good then you have a bad switch....please rate this thanks

Posted on Sep 20, 2008

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