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1988 Toyota Corolla radiator fan

Tiny
BARROW1
  • MEMBER
  • 1988 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • MANUAL
  • 270,098 MILES
My radiator fan was not coming on unless I turned on the airconditioner.I replaced the radiator fan switch and now both fans run continuously. I had a spare relay and changed that, but the fans will not shut off.
Monday, August 10th, 2009 AT 9:10 AM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Check all 3 fan relays. Fan relay 1 is in the #2 fuse block while fan relqay 2 and 3 are in #5 fuse block
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Monday, August 10th, 2009 AT 12:03 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
The symptoms you describe are the fan switch. If unplugged the fans will run all the time.

I would check that the switch is grounded to block, or replace it with a Toyota part.

Although as Mark said, you could have a stuck relay.
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Tuesday, August 11th, 2009 AT 10:29 AM

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