Having problems with battery. Can leave doors open for 5 to10 minutes and battery is dead. Happened at car wash. Do I need a dual battery. I have a spot for one.

10

Asked by Dec 20, 2014 at 10:25 PM about the 2012 GMC Yukon Denali AWD

Question type: Maintenance & Repair

7 Answers

63,155

Probably not,you just need a good one,high cranking amp,for the danali.The one you have is bad if it can,t hold the interior light,s for that long.

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Best Answer
10

Had it tested... Said was good... Only have 31,000 on vehicle. So I guess I'll get a new battery. Any suggestions?? Should I put two battery's on for extra protection. Wife drives everyday. Just want her stranded with kids. Thank you for quick response.

10

Don't!!!!!

1 out of 1 people think this is helpful.
5,175

No one has said anything about checking the alternator...

1 out of 1 people think this is helpful.
63,155

If you get a good 750 cranking amp battery you will be ok with one.

63,155

Yatlas,has good point all so,agree.

135

A battery that doesn't hold a chaarge for more than 5 or 10 min is most likely bad. However, there may be something that caused it to go bad like the alternator not charging it or a short in something. Test the battery, it should not only have 13.5 static volts, it should also hold above 9 volts with a 250 - 300 amp load on it. If it doesn't replace the battery. You should then check for any voltage drain on the battery when the vehicle is off. Then check the alternator output and starter draw. Hopefully its just a faulty baterry.

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