Car not telling fans to turn on

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HASSAN
  • MEMBER
  • 1 POST
hey...
i drive a 1999 toyota corolla, 2 wheel front wheel drive... , it runs smooth...but until lastnight it overheated ...all in all i found out the fans werent tunrin on any more...

i ran some ground wires from the battery to the fans and the fans work perfectly...im guessing its maybe the sensors or the computer but i have no idea where to find the temperature sensor for the computer nor the computer, or mayb im jus wrog n those are not the problems if any one has an idea wuts up ill be very much obliged to get a reply.
Sep 28, 2007 at 12:42 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
If you disconnect the fan switch connector the fans should run all the time, if they don't, it could be the fan relay in the fusebox, or the main engine relay.
Oct 22, 2007 at 12:22 AM
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