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2011 Yukon Denali XL. Battery goes dead after door is open for a short period of time or a dome light is on for a short period of time. Had battery, alternator and starter tested - all fine.
Was loyal Toyota guy but needed a bigger vehicle and no model from Toyota fits the bill. Starting to regret going with GMC ...
Would a new battery with higher cold cranking amps help? Seems way too fast for a battery to get drained.
Can't imagine a mere door or dome light drawing that much amperage out of a battery. You should test the battery drain with everything off and shut down. It really shouldn't read more than 50-100 milliamps, although some techs say up to 400 milliamps is tolerable. If you don't have a large amp drain at "rest", then I would suspect your battery, yes. I don't think any battery that is more than factory spec is required unless you are running extra equipment.
Hello....I am new to the forum. I own a 2004 Yukon Denali....well im paying on it. I am going through allot of electrical issues. All of the dash light are completely out. It would only flicker at first but has progressively gottn worse. The battery went from dying after a full day to now if I dont crank it every 4to6 hours I will be guaranteed to need a jump. I have had battery, starter and alternator all checked and all are good. I still bought a new battery praying that was the issue. After having the new battery a week all the issues came right back. I am a working mother of 4 kids from age 10-18 I work overnights which is rough enough but now add the fact that I havent sleept more than 4 hours at one time in over a month because of fear of my truck not starting when I awake. I dont have allot of money....I was in an accident which totalled my last car and i only have my gmc. I luv the truck but not its problems, trading it in is not an option because id be upside down and my credit bites. I have had all my fuses checked.....I cant afford going to an electrician and anytime I try taking my truck anywhere the car guys allways try to get over on me. I feel so defeated right now and im trying to not let my kids feel or see what im going through....I dont know what to do or where to go to get this fixed. If anyone has any advice, do tell. I reside in Pensacola Florida.
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