Hummer H3T The popular H3 gets the added capabilties of a small pick-up, with the look and performance of the original H3.

2009 H3t Dead won't start no nothing

Old Sep 17, 2025 | 07:48 PM
  #1  
HumDoug's Avatar
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Default 2009 H3t Dead won't start no nothing

Please oh please. My h3t only has 70k miles always perfect never missed a beat. Now won't start. No cranking no nothing. Won't turn o er nothing. If I completely charge new battery will completely drain battery dead in 3-4 hours doing nothing
I have a shop now who fumble stumble dont know whats wrong. Towed there3 weeks ago. Please help
 
Old Sep 18, 2025 | 12:10 PM
  #2  
bronxteck's Avatar
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Joined: Apr 2019
Posts: 3,181
From: BX NY North East
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3-4 hours from a fully charged battery is a pretty big drain. maybe check to see if the alternator or starter gets hot when that is happening. those 2 are connected directly to the battery without fuses. second would probably be if you have any aftermarket audio like amps or gadgets hooked up directly to your battery maybe disconnect that.
 
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