Electric radiator fan won,t come on? Checked fuses, relay, fan motor ok but still will not come on. put on computer at AUTOZONE said no ASD relsy voltage at PCM. ???? any ideas??

10

Asked by May 28, 2012 at 01:38 PM about the 2001 Jeep Cherokee 4 Dr Sport 4WD

Question type: Maintenance & Repair

2 Answers

1,715

i think the thermal fan switch is not working its a sensor located under the radiator which turns the fan on and off

2 of 2 people found this helpful.
45

The thermostats are set kinda high on a lot of the jeeps.. and therefore settings for that fan as well, or temp gauge is off.. But i would.. Take a wire straight form the battery to the hot wire of the fan to make sure its good. If it is, throw a switch in by the steering wheel for a temporary fix. Or if you like switches and more control (flip it on when you see rush hour traffic ahead so engine never does over heat at all) Just keep the switch! :)

4 of 4 people found this helpful.

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