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Unread 11-03-2013, 12:05 PM   #1
TheBootlegger
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1995 YJ Wrangler 
 
Join Date: Aug 2013
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Gremlin under dashboard

There is someone.. or something that's having fun draining my battery to zero, even when the key is not on the contact. Now I suspect a gremlin to be the cause of this, but it might be something much worse, much more ancient, much more scary.. Or hell it might just be a bad contact or something that went rusty. Is there a common cause, a connector that is prone to rust on YJs and cause the battery to drain itself? Are missing ground points a possible cause?



Battery, distributor cap and rotor are new. I'm going to change the alternator soon.

Dash lights are all dead, BUT the two little arrows for shifting up or down. Gauges function properly. Exterior lights all function properly, but when I give it a lotta gas when on park, i noticed the brake lights dim a little, but that might be normal.

I'm gonna have to get under there anyways, but I don't know anything 'bout electric systems, so any tips, anything that helps or makes me laugh would be great!

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Unread 11-03-2013, 12:31 PM   #2
MikeHoncho88
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A systematic approach and a multimeter are your friends here.

Measure current at the battery with the key off. Remove fuses one at a time until a noticeable drop occurs. That is the circuit you need to check. Again a systematic approach is best. Disconnect items on that circuit one by one until the current drops again.

This method has never failed me.

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Unread 11-03-2013, 12:56 PM   #3
TheBootlegger
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Thanks man! I found one of the gremlins, the one that was draining my battery. The PO had wired rock lights in a very bad way.. lol I'm gonna use your method to find whats wrong under the dash, by current you mean Voltage right? Not amps?
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Unread 11-03-2013, 01:20 PM   #4
MikeHoncho88
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Awesome you fixed the battery drain. Yes if you use a multimeter for that problem, you need to measure amps aka current.
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Unread 11-03-2013, 01:30 PM   #5
Tom95YJ
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If you have a gremlin please make sure your cowl seal is good and remember these 3 rules :
1. No bright light, Bright light hurts him, and sunlight can kill him.
2. Don't get him wet, If he gets wet, he pops out more mogwais.
3. Never feed him after midnight, no matter how much he begs. If fed after midnight, a mogwai will spin a cocoon and undergo metamorphosis, turning into a wicked, troublemaking gremlin.

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Unread 11-03-2013, 01:34 PM   #6
Luke95
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You are honestly the best mod on this forum!
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Unread 11-03-2013, 01:41 PM   #7
90lsturbo
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Quote:
Originally Posted by Tom95YJ View Post
If you have a gremlin please make sure your cowl seal is good and remember these 3 rules :
1. No bright light, Bright light hurts him, and sunlight can kill him.
2. Don't get him wet, If he gets wet, he pops out more mogwais.
3. Never feed him after midnight, no matter how much he begs. If fed after midnight, a mogwai will spin a cocoon and undergo metamorphosis, turning into a wicked, troublemaking gremlin.

so much win right here lol
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Unread 11-03-2013, 02:54 PM   #8
TheBootlegger
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Location: Montreal, QC
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Right on. Now I know how to kill the basterds. They can run, but they can't hide. I'm gonna ride with no hood until they all burn to death! Mouhahahahaha (maniacal laugh)
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