Question about 2003 GMC Yukon

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I have an inttermitten battery drain

My yukon keeps draing my battery if the truck sits for more than a few days. I had a dealer look at it and keep it for over a week in hopes it would die on them, it did not. Now I am on my 4 battery in 3 years...

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Ok here is an old school remedy. It will take some time but it will help. get a test light. disconnect the ground side of the battery terminal. Connect the test light between the negative battery terminal and the ground siide of the battery. If there is a short the test light will light up. In order to find the short or your problem, start pull and a reinstall a fuse at a time until the light goes out. If you pull a fuse and the light goes out, you have found the culprit. find out what that fuse is for and we can continue from there. Please rate this information.

Posted on Nov 18, 2009

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Have the alternator checked real good lad test and amps,and of course volt output,if the internal regulator sticks,it will drain,but ,it may be intermerent.Make sure the battery gets about a 12 hour charge,at 2amps,this will ensure the deep charge of the battery will hold up.

Posted on Nov 18, 2009

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Dealer should have been able to figure this one out!

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Brand New 2011 Yukon 2 dead batteries with in a week of getting car. Dealer says we have to drive the car more!! What kind of excuse is this? My wife drives about 7 miles to work and back so a total of...

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Battery keeps draining while car sits. Constantly having to recharge. Replaced battery twice in last year. NEED HELP !

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