Question about 1996 Ford Taurus

1 Answer

Fan keeps running

And draining the battery after car is turned off

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  • Anonymous Sep 05, 2008

    I have a 1997 Ford Taurus and have the same exact problem. Ford told me it was possibly three thing. The relay, the ECT (electronic temperature control ) sensor, or a bad harness. My guess is that it is one of the first two. I am going to try and replace the relay first as this is an easier fix than draining the coolant to get to the ECT in the radiator. Now I just need to find that relay.


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  • Master
  • 640 Answers

The fan relay under the hood is sicking closed.Replace the relay.Goto pep boys/autozone and ask them for the relay.20--30 bucks

Posted on May 25, 2008

6 Suggested Answers

  • 247 Answers

SOURCE: electric fans runs after car is shut off, drains battery

Having the fan run on for a bit after the engine has stopped is not abnormal in itself, but 20 minutes sounds excessive.

If the fan does eventually shut off, I'd consider changing the thermoswitch (this is a sensor screwed into the radiator somewhere near the bottom, with a pair of wires connected to it - to change it, you'll need to drain the cooling system).

If the fan stays on continuously until the battery is completely flat, see what happens when you unplug the wires from the thermoswitch. If this stops the fan, you need to replace the thermoswitch. If it doesn't, then you need to examine the wiring associated with the switch and the fan, looking for damaged insulation.


Posted on Nov 29, 2008

  • 150 Answers

SOURCE: my fan keeps coming on after my car turns off and

The fan runs on a temperature sensor and operates according to engine temperature.(even with the engine off).I would suggest this is faulty.To locate this trace the wires from the fan

Posted on Mar 07, 2009

  • 109 Answers

SOURCE: Radiator fan stayed on and drained the battery, why?

I would venture to guess that, based on past experience, that the problem is more likely to be the thermo-switch in the radiator. Find what looks like a large plug in the lower part of the radiator it will have two electrical jacks. If you test this with a meter and there is continuity when cold, there lies the problem. If not then i would suspect a fused relay (pricier to buy). You would find it located just above the fuses... Hope this helps...;-)

Posted on Apr 14, 2009

  • 6826 Answers

SOURCE: battery keeps draining and car won't stay running

Check the alternator out put.Also the alternator could have a bad voltage regulator,or diode gone out,would cause this problem.Out put should read 13.75 to14.25 .

Posted on Aug 07, 2009

  • 90 Answers

SOURCE: 97BMW 318i fan runs and drains battery when car is off

Yes pull the cooling fan relay in the fuse panel. It might be bad.

Posted on Sep 28, 2009

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