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Anonymous Posted on Apr 10, 2011

The fan moter to moterdoesnt work replaced switch by thermostat itstill dont work.hooked up toggle switch to fan direct it workd. is there a relay cant find it

  • 5 more comments 
  • Anonymous Apr 10, 2011

    where is this relay looked all over . told u the fan works. do you have a clue nothing sais cooling fan relay where isit or is it a resister

  • Anonymous Apr 10, 2011

    no i have the fan directly hooked up w toggle . yes there should be a relay do you have adiagrahm nothing sais fan relay all fuses r good 2 the fan definatly works wheres the something else

  • Anonymous Apr 10, 2011

    1993 geo metro 1.3 liter bigblock

  • Anonymous Apr 10, 2011

    tryed this changed the relay same it works on horn relay weird could i have got a bad switch hmm weird n o so puzzled

  • Anonymous Apr 11, 2011

    ok boss tryed everything you said let the car idle 4 half an hour fan never came on and car never overheated . plus i switchedout horn 4 coolin fan rela y its cold her cant seem 2 get car 2 get hot seems warm like fan used 2 come on if let idle 4 15 minuts but hmmm

  • Anonymous Apr 11, 2011

    sorry you couldnt help me im done 2 day all wiring is in great shape grounds clean idont no thanks any way apriciate it wireing is fine is there anothr resister terminal dont make sence its just af n geo got exp so f it 4now

  • Anonymous Apr 11, 2011

    the horn relay is the exact same relay as the cooling fan.an yes thehorn works when i changed them out

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  • Master 2,187 Answers
  • Posted on Apr 10, 2011
Anonymous
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Yes there should be a relay for it. Depending on the year of the car, it may be found at a separate box at the engine bay. IT could be wither the side where the fan is or near the other box for the relay. But if you had the fan directly hooked up to the battery and still failed to run, unless there are wiring issues then the fan needs replacing.

  • 3 more comments 
  • Anonymous Apr 10, 2011

    can I get the model and year of your car? Different models and years would have the location varied. Thanks

  • Anonymous Apr 10, 2011

    Please see below diagram of the box. It is also a fuse box. If I am not mistaken found at the driver side.
    http://i25.photobucket.com/albums/c83/Mr...

  • Anonymous Apr 10, 2011

    Just correct me if I am wrong, you tested the fan relay on the horn, correct and it worked. Try the relay of the horn to the fan. If it does not work, have the socket and the wiring inspected it may be bad. If it does work, you may need to replace the fan relay.

  • Anonymous Apr 11, 2011

    it is puzzling.... it does makes me want to check the wiring to be sure.

  • Anonymous Apr 11, 2011

    lets recap...



    the relay of the horn works when put on the socket for the fan correct?



    the relay of the fan works on the socket for the horn correct?



    If the above were true, it is likely a relay problem. The relay may not be able to supply the fan with the needed power. The relays actually is a 'switch' which delivers power from the battery.


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Radiator fans do not work on my 1997 chevy malibu

There is a sensor on the top of the engine which turns the fans on. it is usually located near the thermostat housing but dont confuse it with the temperature sensor which can easily be tested in the same means by watching the temperature gauge as you ground it out. it may take several seconds to indicate it on your sensors.
If you by-pass and hook the fans up direct without an in-line fuse and there is resistance in the line from a bad fan motor you will melt the wires and the fan motor itself. Use a 30 or 40 amp fuse inline and put on a switch if you like but don't hook direct but only for a few seconds or so to see if is working well. Use very thick wire like booster cable wire.

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Electric fans do not work. Fuses OK Motors also run if hooked up directly.

If the fans work when hooked up directly. this indicates that the fan motors are okay. The next step is to check if the coolant temperature sensor (usually located near the thermostat housing) to see if it sending a signal to the relay when the engine temperature goes above normal. This part is inexpensive and easily replaced; throw one in if you still have the original. A second sensor (or switch) may need to be checked; this is the radiator fan switch. These two usually work as a "team" in managing engine temperatures; one switch tells the computer and the instrument gauge what temperature your engine is operating in, while the other responds by sending a signal to the radiator fan relay to "kick on" the fan.

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