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How to tell if fan relay is bad?

1992 Ford Tempo 2.3 How do you tell if the fan relay is bad? This car has a F23F12B577-BA it is a sealed unit I've replaced the fan and the sensor but still have codes!

Update:

I would agree with you if this was a relay which you could hear or feel the motion of the contacts closing but this is a enclosed system right next to the engine and the sound or motion can not be heard or felt!

2 Answers

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  • Cathy
    Lv 6
    8 years ago
    Favorite Answer

    you will hear a click when fan turned on if relay ok .get someone to turn on and listen .if click relay ok .

  • radel
    Lv 4
    4 years ago

    examine if there if any LED (lights) on the employing or the administration panel if there is and its grew to become on then there is capability going into the circuit, assume that there's no capability examine if there is any kind of junction field or capability feed getting into or out of the device and employing an electricity tester examine if there is capability. in case you detect there's no capability open your important field (be careful for the reason that there is complete 220 volts of electricity) examine the fuse marked and A/c or comparable and examine if its interior the on place it must be a threat that the fuse has decrease off as part of the protection electric function if so turn it on and turn the employing back on. If the change is on and there is no capability you will ought to eliminate the panel field turn THE purple change interior the OFF place to coach the residing house capability OFF now eliminate the 4 screws there is regularly one on each and every nook of the foremost panel. as quickly as bumped off each and every of the fuses are seen be careful locate the AC fuse and employing a tester try the fuse, you will ought to repair capability and then try the fuse if there's no capability then you somewhat will ought to alter the fuse. do no longer flow away the field uncovered replace the panel back and then fix capability The thermostat is a little extra stable by fact if the device has no capability then possibility is that its no longer the thermostat in spite of the shown fact that if there is capability interior the device there is countless matters that could be the priority such by fact the gas ought to wish topping up a fuse interior the device must be defective and at this ingredient you're able to ought to evaluate calling a technician to be sure the device for the reason which you should touch something and would direction extra harm. wish this facilitates

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