RE: 2003 H2 battery dsicharging problems

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RE: 2003 H2 battery dsicharging problems

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RE: 2003 H2 battery dsicharging problems - 10/5/2007 12:13:50 AM

HummBob

Posts: 16118
Joined: 5/6/2006
Status: offline

quote:

ORIGINAL: saywhat

I had this issue on my 2004 and the dealer installed a new battery and i never had another issue!

ME TOO!!!!!

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2004 Black Hummer H2

2007 Black Escalade

(in reply to saywhat)

Post #: 16

RE: 2003 H2 battery dsicharging problems - 10/7/2007 12:21:24 AM

finall

Posts: 111
Joined: 7/20/2007
Status: offline

Same problem. Dead one morning on a year old battery. Charged battery. Took it in to GM. Battery tested OK. Has not done it since. No explanation.

The H2 has a battery drawdown protection, so none of the above suggestions would matter anyway. The battery disconnects passive draws at 11V, so that you can still start the vehicle, as far as I know.

I wish some GM techs would cruise this site and confirm this kind of technical stuff, to tell us if what we are being told is true. And tell us that you are a GM tech, so we know the answer is not just a guess...

(in reply to HummBob)

Post #: 17

RE: 2003 H2 battery dsicharging problems - 2/15/2008 11:12:12 AM

mimoso

Posts: 1
Joined: 2/15/2008
Status: offline

I had the same problem wit mine and was told it was the seat control module havent had a problem since though

(in reply to finall)

Post #: 18

RE: 2003 H2 battery dsicharging problems - 2/15/2008 1:58:42 PM

SafariHummerH2

Posts: 152
Joined: 1/18/2008
Status: offline

Hello Friends, I've experienced the same problem but the truck sat without use for about 2 weeks. So I guess the battery just trickle drained from the computer.
I purchased from Ebay and installed a DELTRAN 12 VOLT BATTERY TENDER PLUS and a SIDE POST BATTERY DISCONNECT SWITCH for when my vehicle is not in use for long periods.

(in reply to saywhat)

Post #: 19

RE: 2003 H2 battery dsicharging problems - 2/16/2008 6:07:51 AM

calif phil

Posts: 71
Joined: 2/7/2008
Status: offline

I fought the same problem on my truck after I bought it. I went through a few batteries and had the dealer check it and they couldn't find anything wrong. I finally realized it was the ignition switch. Sometimes it would not shut off all the way and the little red battery light would be on.

(in reply to SafariHummerH2)

Post #: 20

RE: 2003 H2 battery dsicharging problems - 2/16/2008 8:03:37 AM

3hummers

Posts: 11810
Joined: 9/23/2007
Status: offline

Sounds like he has a definite draw problem, not just a dead battery. Let us know the outcome.

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2006 H1 Alpha wagon
2000 H1 Slantback
1997 H1 wagon
2008 H3 Alpha

(in reply to calif phil)

Post #: 21

RE: 2003 H2 battery dsicharging problems - 2/19/2008 5:04:31 AM

hum hum hum

Posts: 19
Joined: 2/21/2006
Status: offline

i have a 06 and its the 2 nd time dealer change the battery charge stay only for 3 to 4 day not shur dealer found the problem i would be not using for the next 2 week and see if it will go and start ps excuse my english

(in reply to 3hummers)

Post #: 22