Jeep Keeps Blowing the Blower Fan Fuse
#1
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Model: Cherokee
Jeep Keeps Blowing the Blower Fan Fuse
I got a 1991 Jeep Cherokee Limited and here is my situation: My Aux Cooling Fan stopped working , PERIOD, doesn't work in any sitting. Also at the same time this happen, my Blower Motor Fan stopped working ( as I said they both stopped working at the SAME TIME ). I took the Jeep to a mech. that I know and trust and he replaced the Blower Motor. The Blower Motor is working fine at any speed- Low Med or High. The Blower works fine in Vent and in Heat setting. The problem is when I move the dial to Defrost, it blows the fuse to my Blower Motor. I and my mechanic know that when you need defrost, the A/C compressor kicks on and the Aux Cooling Fan turn on. Neither the ac compressor or the Aux Cooling Fan kick on. The mechanic says I need to take it to someone who knows alot more then he does when it comes to Jeep electrical problems ( he thinks its a grounding problem ). My mechanic did not charge me for the new Blower Motor, just the install. One note my air conditioning did also work before this, but now if I put in to AC Max , Norm, or Bi-Level, it blows the Blower Motor fuse. So at the moment I leave it on Vent or Heat, nothing else. Last I have hot wired the Aux Cooling directly to the battery with a switch. But of course I still have NO defrost. Can anyone help me?
#2
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Join Date: Feb 2010
Location: Pharr, Texas
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Year: 1989
Model: Cherokee
Engine: 4.0L
Check the relay in the dash. Maybe the relay is bad. Check to see if the fuse is blowing because of a short coming from the engine or a short in the cabin. You need to use a multimeter for that.
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