AC fan blows fuse. - JeepForum.com
 
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post #1 of 4 Old 06-15-2012, 07:52 AM Thread Starter
Xanatos
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1991 XJ Cherokee 
 
Join Date: Dec 2011
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AC fan blows fuse.

I few weeks ago my blower fan blew the fuse. I changed out the fuse a few times, but it never worked. It always blew as soon as I tried to turn the fan on. I still believe the AC and heat work, I can put my hand right next the the vent and barely feel the cold/hot air. Does anyone know what might be a problem with this? Maybe a bad fan motor? or something else?


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post #2 of 4 Old 06-15-2012, 01:13 PM
Reptile
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Quote:
Originally Posted by Xanatos View Post
I few weeks ago my blower fan blew the fuse. I changed out the fuse a few times, but it never worked. It always blew as soon as I tried to turn the fan on. I still believe the AC and heat work, I can put my hand right next the the vent and barely feel the cold/hot air. Does anyone know what might be a problem with this? Maybe a bad fan motor? or something else?
It will keep blowing til you find the short. Most likely you have an exposed wire that's causing a short to ground. The fan could be the cause but you can easily test it with the ohmmeter mode of a volt meter. Resistance leaning to zero indicates a bad motor.
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post #3 of 4 Old 06-16-2012, 07:39 AM Thread Starter
Xanatos
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Quote:
Originally Posted by Reptile View Post
It will keep blowing til you find the short. Most likely you have an exposed wire that's causing a short to ground. The fan could be the cause but you can easily test it with the ohmmeter mode of a volt meter. Resistance leaning to zero indicates a bad motor.
Alright, thanks! I'll try to look for any exposed wires. I'm still new to the Jeep world and still learning how to repair things. I might stop by an auto parts store to see if they can test my fan.

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post #4 of 4 Old 06-16-2012, 07:47 AM
Ron_K
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I had the same issue and looked for a short, hopefully you find your issue quickly, mine raN HOT without the fan and Not using the ac.

Mine wound up being the fan motor itself, hit up Napa and done
Good Luck

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91 YJ, rear body armor with rock rails and TJ filler conversion. LED Tail lights. 33 x 15.50 x 15 SS TSL SX's on black steelies. Home made Bumpers and swing out tire carrier. MileMarker H9000 Winch, H/T & Bikini Top, full doors & half doors. ~RIP~ C.D.K. 11-11-08 (miss you baby)
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