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98 XJ Battery Keeps Dying. Rear Defroster Stuck On

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Old 10-31-2012, 01:20 PM
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Have you had the battery load tested
Old 10-31-2012, 02:58 PM
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Originally Posted by bloddy mud
Have you had the battery load tested
Just got back from autozone and they tested the whole system and said was good
Old 10-31-2012, 03:10 PM
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Ok I beloved I saw that you pulled you fuses out for the tear defrost, am I correct? You got something that's running hot that is draining your battery. Have you disconnected the cables when your not useing the Jeep? And another little trick you can do, while your Jeep is running disconnect the cables off the battery while it's running. Let us know if it dies or not.

Last edited by bloddy mud; 10-31-2012 at 03:14 PM.
Old 10-31-2012, 03:19 PM
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Originally Posted by bloddy mud
Ok I beloved I saw that you pulled you fuses out for the tear defrost, am I correct? You got something that's running hot that is draining your battery. Have you disconnected the cables when your not useing the Jeep? And another little trick you can do, while your Jeep is running disconnect the cables off the battery while it's running. Let us know if it dies or not.
You DO NOT want to do this !!!
You can fry the electronics. It works on older vehicles that do not have a computer. I have seen many people with newer vehicles try that and they ended with more problem then they started out with.
NOT RECOMMENDED!!
Old 10-31-2012, 03:23 PM
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Originally Posted by RTorrez1

You DO NOT want to do this !!!
You can fry the electronics. It works on older vehicles that do not have a computer. I have seen many people with newer vehicles try that and they ended with more problem then they started out with.
NOT RECOMMENDED!!
I've always done this. If it dies alternator is junk and if it keeps running it is good. A friend of mine drive a linkon with out a battery for bout 70 miles didn't hurt a thing
Old 11-03-2012, 10:16 AM
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Just a thought...when my 2000 kept dicharging a new battery with a new alternator, blind luck showed that it was the "hatch open" switch. Had hatch open when testing for load and decided to close hatch for more accurate reading. Turns out closed hatch was activating switch, eventhough it did not activate dash light. Now switch is disconnected and the dash light remains on (seems backwards to me), but the battery has not discharged in over 3 months now. Just a tip from another electrical gremlin victim. Good luck.
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