Question about Jeep Grand Cherokee
Whenever I leave fuse8 in the panel it drains the battery. If i pull the fuse the battery stays charged but the heater/AC no longer work. What else is powered by fuse8? I'd like to disable whatever is draining it so i can still have heat/cool. Thanks
What Jeep year and model there?
Sound like a problem with the ground connectiosn, bad harnesses at some devices or sockets or damaged wires. You will need to know what circuit contoled this fuse to start to searhc.
Hope this helps; keep us updated.
Posted on Feb 14, 2012
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Posted on Jan 02, 2017
I would check the fan first disconnect the electrical connectors on it and use a pair of home made jumper cables and run it from the battery. If it works move unto relay if it doesn't you've found the culprit.
Next check relay in the fuse box. Coolant tempertant switch(CTS) aka thermal switch and its circuit. CTS is usually located in the water jacket by the t-stat.
Posted on Apr 05, 2010
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