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Radiator cooling fan relay location?

Tiny
BLUFFHUNTER
  • MEMBER
  • 14 POSTS
  • 1996 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 188,000 MILES
The engine cooling fan is operating all of the time and it is not on defrost, or AC mode. I assume it is probably a sensor or relay possibly. Any information will be greatly appreciated. Thank you
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Wednesday, January 13th, 2021 AT 10:56 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That fan is controlled by the same temp sensor that the rest of the operating system uses. You would need a scan tool to verify what temp the computer is seeing but a bad sensor would likely cause a check engine light and an overfueling condition in the engine.
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Wednesday, January 13th, 2021 AT 10:56 AM (Merged)
Tiny
BLUFFHUNTER
  • MEMBER
  • 14 POSTS
The coolant temp. Sensor was the problem. Fan operates properly now.
Thanks again for the advise.
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That must have been effecting your fuel mileage too.
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)
Tiny
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  • MEMBER
  • 14 POSTS
Wrenchtech, We really didn't notice to much fuel difference, but we normally only drive this car 3 miles into town and back. I will mention that the check engine light hasn't came back on since fixing it, and while I was at it I noticed a small amount of anti freeze on one of the heater hoses, so after $55.00 for the hoses ( two hoses joined with a plastic piece )and $22.00 for the sensor, and aprox. 4 hours of my time. I think the problem is solved.
Thank you for the advise you gave me Wrenchtech !
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
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Your welcome, Positive feedback is always appreciated.
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)
Tiny
OMG123HELPME
  • MEMBER
  • 1 POST
  • 1994 PONTIAC GRAND AM
  • V6
  • FWD
  • AUTOMATIC
My cars temp went in the red zone. I figured out the fan isn't working. I want to try to switch the relay out first but can't find it. Any one know where it's at?
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The radiator coolant fan relay is located on the fire wall here is a guide to help you test it

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers
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Wednesday, January 13th, 2021 AT 10:57 AM (Merged)

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