Thread: fan will not shut off
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Old Sep 27, 2005 | 01:35 PM
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jchill6889
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I had the same problem with a 93 accord a few years back. I had a diode that was bad in the fan timer unit. When I replaced the diode in the fan timer unit under the sterring wheel, the problem was corrected unitl recently. Now my Radiator fan does not work. I went to the salvage yard and got a fan timer switch. That switch did not work either. I then jumped the fan straight to the battery and it would only work if I put the negative to the positive of the battery. Then the fan turned opposite of the condensor fan. The condensor fan turned clockwise and the radiator fan turned counterclockwise. Earlier in the year I had changed my condensor fan because it was blowing fuses. AFter I changed it I saw no problems until this one surfaced. I think the radiator fan shorted to ground from 250,000 miles. I am going to connect my new fan to the battery tonight. If that works, I know I probably got a bad fan timer unit from the junk yard.
Originally Posted by allison
need some help here please.
We recently purchased a 91 Accord, that has developed a problem with the cooling fan. It seems the radiator fan will turn on and run until the battery is dead, but this only happens occasionally. I have recharged the battery a number of times trying to figure out the problem. I have replaced the coolant temp sw and sensor on spec (one on the water pump & the other on the therm housing) and that did not cure be the problem. The car ran fine for 10 days before the battery was dead again.
Borrowed the Chilton manual from the library. Seems this car has a cooling fan timer unit, although when i was at the dealer pricing the switches, they said it does not have one. Where would the timer be located if it did have one.
Any other ideas where to look.
thanks for the help!
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