Question about 1992 Mazda Protege

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Cooling fan wont come on at temp

I have 92 protege that has a two cooling fans and neither one is coming on at temp, however, they both come on when i turn on my a/c. i have already replaced both fans and checked the relays and they seem OK. Any suggestions would be great thank you.

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  • bad_dog1
    bad_dog1 Mar 04, 2009

    Any way to test the radiator fan switch before i replace it?

  • bad_dog1
    bad_dog1 Mar 07, 2009

    i already have a meter just dont know what the sensor is suppose to read

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  • Master
  • 740 Answers

This vehicle has a radiator fan switch, it completes the circuit when the water temp get up to N.O.T normal operating temperature and turn the fans on, try changing radiator fan switch. Good luck and thanks for using FIX YA

Posted on Mar 03, 2009

  • O Mclean Mar 05, 2009

    Yes it has to be done with a voltmeter by checking resistance is sensor. its a bit technical, the sensor is just a few bucj=ks a voltmeter is alot more if you don't have one.

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