Question about 1992 Cadillac DeVille

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Coolant fans on a 92 coupe deville

Ok so i have a 92 coupe deville and both of the fans directly behind the rad wont seem to turn on i have checked the 60 amp maxi fuse and it seems fine i also checked ALL the other fuses inside the car and they are all fine .

someone please help me im going bonkers trying to figure this problem out

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  • jzszril_1915 Mar 14, 2009

    coolant fans behind rad dont work unless i unplug temp senser

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You checked the fuses, that's a good place to start. Usually electric fans are powered up using a relay. It's likely that each fan has it's own individual relay so it's strange that niether fan works. Is the engine overheating? Try turning on the air conditioner after starting the engine. One of the two fans should definitely turn on immediately after switching on the A/C. If so, then the other fan, which would be controled by the temp sensor circuit, might be bad. Before replacing anything you may want to check the temperature sensor is working properly. The relay(s) are probably located in the engine compartment usually near the firewall. Hope this is helpful, if so, please remember to rate my response. Thanks.

Posted on Mar 03, 2009

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