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2000 Jeep Grand Cherokee cooling fan

Tiny
ZELLERDEREK4
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 142,000 MILES
I no that the cooling fan is controlled by a relay and a controller but am wondering if it needes a resistor at all when u jump it to make sure that the fan motor still works or if its just dead I couldnt get it to kick on yesterdat running battery power straight to the harness and I dont wanna spend 110 on a fan is im testing it the wrong way
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Wednesday, March 26th, 2014 AT 8:43 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If you jump it it should run but check the fuse underhood and the relay which is behind the bumper fascia at rh headlight as well as ground.
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Sunday, July 28th, 2019 AT 12:08 PM
Tiny
ZELLERDEREK4
  • MEMBER
  • 63 POSTS
It didn't run at all I thought maybe the polarity was wrong so I switched the jumpers around and still nothing I no that black is ground and blue is power I have the schematics and everything but u prob no that they r not always accurate
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Sunday, July 28th, 2019 AT 12:08 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Actually ours says green but due to age it can be blue due to fading if you ran it direct and it didn't run then it's probably the fan. See if you are getting power from relay. You can always put an aftermarket fan on instead of a factory one. Rock auto has factory ones from $47-120 take your pic.
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Sunday, July 28th, 2019 AT 12:08 PM
Tiny
ZELLERDEREK4
  • MEMBER
  • 63 POSTS
My schematic says blue. But I shall take a look at their site and see wat I find
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Sunday, July 28th, 2019 AT 12:08 PM

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