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Old 09-22-2009, 03:14 PM
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87 mustang radiator fan always running

I have an 87 stang LX convertible with a 2.3 auto. The electric radiator fan is always running. Any idea where to start on this fix. I'll be dropping a v8 into it soon enough but in the meantime? I'm a competant shadetree mechanic I just never had issue with one of these damn things.Thanks in advance for any suggestions!
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Old 09-23-2009, 09:32 AM
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Most all electric fans have a sending unit they hook to, telling it the motor is hot, turn on. I would check the sending unit or solenoid the fan is hooked to first. I had a friend who had the same problem and the fan turned on after he put the car in the garage, the fan motor overheated, and the car caught fire and burned down his garage.
I would also check the wiring harness for the fan and any and all wires connected for the fan. It is an electrical problem and it's on a hot wire if the fan runs without the key on.
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Old 09-28-2009, 09:27 PM
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Thanks for the reply dart man. Yeah the sending unit wae my first stop. I tried unplugging the 1 wire lead to it to see if that would shut the fan off but it didn't. Should it have? I need to get myself a chiltons(haynes) on this beast so I have the wiring diagram at my disposal. Well thanks again bud, catch tou later.
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