Question about 1997 Jeep Grand Cherokee
Fan for heater stopped working. is it possibly in the electrical system or just a blown fuse? dont have owners manual so dont know which fuse to check. any help would be appreciated greatly.
Horn fuse should be labeled on the fuse block. If it's not, easiest way to check is to just check them all. Use a test light and probe the back side of each fuse on both ends, till you find one that only has power on one side. Horn works with key off but I generally check with key on. Also, you have a horn relay (should be in the power distribution center (basically another larger fuse box, usually on the right fender under the hood. If all else fails, run a "hot" wire right to the horn & make sure it works. Horn "switch" is actualliy part of the signal mechanism and internal parts within the steering column...though these sometimes develop dead spots, it's least likely that it is the source of your problem.
Posted on Jan 27, 2009
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Posted on Jan 02, 2017
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Usually the first thing to inspect when the blower fan stops working is the fuses to see if any are blown. Locate the 10A cluster fuse or the 25A HVAC fuse in your car manual, and examine them to determine if they need replacing. The car owner's manual will tell you where to find the fuses that are connected to the heat and/or air conditioning. On the interior fuse panel of the car, a 30 amp fuse is labeled "Heater" or "HVAC."
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