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The engine cooling fan does not come on when the engine is hot where is the fan switch/sensor?

Tiny
UPSTANDING
  • MEMBER
  • 1991 HONDA CONCERTO
  • 110,000 MILES
Honda concerto 1991 1.6i 16v DOHC Auto I cannot trace the
electric fan switch. It is not on the radiator and it is
not on the thermostat housing. The coolant temperature sensor
and the engine management temperature sensor are on the side
of the head but I cannot find the electric fan switch.

I can bring both fans on with the Air Con so preventing any
overheating.
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Tuesday, June 12th, 2012 AT 7:28 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
No references to this vehicle but try this disconnect the CTS and jumper the harness and see what happens-also could be the fan relay for the radiator or the computer itself
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Tuesday, June 12th, 2012 AT 8:58 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Fan switch is on engine block above the oil filter.
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Tuesday, June 12th, 2012 AT 3:39 PM

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