BATTERY POWER

2006 Hummer H3

Tiny

kurt knauth

January, 18, 2009 AT 1:23 PM

Electrical problem
2006 Hummer H3 4 cyl Four Wheel Drive Manual 25000 miles

My 5cyl Hummer battery lost power after 2 to3 days when the car is not used. But this happens just 2 or 3 times a year

FOUND 3621 RELATED QUESTIONS

Not Charging Battery

34 ANSWERS
13 IMAGES

Battery Will Not Charge

20 ANSWERS
5 IMAGES

1 Answer

Tiny

Jack42

January, 19, 2009 AT 7:47 AM

Could be a sticky relay or the BCM not going to " sleep" when the vehicle is shut down. Either way a little electrical knowledge will be required to find the exact problem. The worst part is that it isnt a constant thing, so it may be very difficult to pinpoint

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