Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Parasitic drain non fuse any thoughts?

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Old Feb 12, 2023 | 10:31 AM
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Default Parasitic drain non fuse any thoughts?

Just checked all the fuses. The multimeter stayed at .15 ma. Didn't move. Does anyone think it could be the air bag module under the skid plate? Open to all ideas. Thx everyone.
 
Old Feb 12, 2023 | 11:04 AM
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Thought i may have found problem, but didnt stop draw. The wires
to the air suspensions were unplugged. Still
didnt make the air sus work but picture of cords below.

 
Old Feb 12, 2023 | 11:13 AM
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Unless im reading this wrong showing 160 /150 ma
 
Old Feb 12, 2023 | 11:30 AM
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Saw at 1 point it dropped .03 to .13 any thoughts on what would make it drop? Last problem on H2 fixed everything else sigh, ill get this
 
Old Feb 12, 2023 | 12:50 PM
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Its a 2005 h2…
 
Old Feb 12, 2023 | 02:42 PM
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There has been several threads on this before but one important aspect is that (according to GM service) at least one module takes up to an hour and a half to fully go to sleep. I forget which though... Do some searched on here and you should find plenty of more info.
 
Old Feb 12, 2023 | 04:12 PM
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Originally Posted by MixManSC
There has been several threads on this before but one important aspect is that (according to GM service) at least one module takes up to an hour and a half to fully go to sleep. I forget which though... Do some searched on here and you should find plenty of more info.
appreciate the comment. I have gone through every post lol,watched dozens of youtube vids, likely going have to take it to the shop.
 

Last edited by Vax1op369; Feb 12, 2023 at 06:26 PM.
Old Feb 12, 2023 | 06:11 PM
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Originally Posted by Vax1op369

Unless im reading this wrong showing 160 /150 ma

A milliAmp (mA) is one thousandth of an Ampere.

 
Old Feb 12, 2023 | 06:23 PM
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Isn’t a few mA draw normal, to keep clock, memory, etc going?

Don’t know what normal is for the H2’ but it is more than zero.

More importantly, how are you driving around with the air ride unplugged? Did you convert to springs? Who left 2 connectors dangling? Those do not unplug themselves. Sloppy! If there is mud in your engine bay (there it is in the photos) then those connectors are full of mud by now.
 

Last edited by finall; Feb 12, 2023 at 06:31 PM.
Old Feb 12, 2023 | 06:37 PM
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Originally Posted by finall
Isn’t that draw normal, to keep clock, memory, etc going?

Don’t know what normal is for the H2’ but it is more than zero.

more importantly, how are you driving around with the air ride unplugged? Did you convert to springs? Who left 2 connectors dangling? Those do not unplug themselves. Sloppy!
I could be reading it wrong and draw is fine, do have a fluke meter coming in a few days. Im pretty sure it should say .05 or around that. Its been that way for who knows how many miles 50,000 maybe more. The rear wiper blade button was upside down when i got it. The cord was unplugged. Crazy…
 



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