Question about 1991 Honda Accord

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My cooling fan will not cycle off. It runs until the battery dies

1991 Honda Accord. I have changed the sensor and the cooling fan relay and it still will not go off.

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  • mooney01 May 17, 2009

    cooling fan comes on even when car is off and sitting for hours,but still works when car is running and heats up.I have been unplugging the relay when I'm not using my car to prevent from draining my battery.

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At first I would have said it was your relay. They are known to get shorts and stay on. But you had that and the sensor changed. I would have to say it's time to trace teh wiring and make sure the wires aren't rubbing somewhere. It's a pain I know. I would start at the fan and work your way back to the relay. Might want to tap on the relay a little to make sure the new one didn't get shorted out by bad wireing somewhere else.
There is also a “cooling fan timer” located inside the vehicle in the driver sideof the dash. This is going to be much harder to diagnose….and I am notsure how expensive a guess that will be to replace. If the relay doesnot solve the problem, I would call your local Honda dealerparts department and tell them your problem and see what they say. Theyshould know which parts fail the most and what they sell the most of.

Posted on Jan 17, 2009

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