I am having an issue with my 99 grand cherokee 4.0, fan will not shut off i have to pull the fuse, i have replaced the relay and that was not the issue, the temperature Gage on the dash is working so i am thinking its not the temp sending unit, could it be a computer problem or something else? any help would be appreciated.

140

Asked by Jan 31, 2018 at 08:57 PM about the 1999 Jeep Grand Cherokee Laredo

Question type: Maintenance & Repair

I am having an issue with my 99 grand cherokee 4.0, fan will not shut off i have
to pull the fuse, i have replaced the relay and that was not the issue, the
temperature Gage on the dash is working so i am thinking its not the temp
sending unit, could it be a computer problem or something else? any help
would be appreciated.

3 Answers

16,915

corrosion near the computer or any other disconnects ? Mice ! ! ? the computer runs about everything , it's getting power and ground from somewhere ?? ? ?

Did you recently have ac work done on it it could be over charged and that will keep your fan on

20

Bump Did you solve this? Have a 2001 WJ with the same issue.

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