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01-28-2010, 02:39 PM
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Hummer Novice
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Join Date: Jan 2010
Posts: 21
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Re: 2003 H2 will not start
yeah I checked trying in neutral and I get the same result...I will let you guys know what I come up with on Saturday. But if you have more suggestions I would love to hear them.
Thanks
Adam
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01-28-2010, 05:08 PM
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Hummer Veteran
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Join Date: Jun 2005
Posts: 132
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Re: 2003 H2 will not start
Had it happen on mine - was a bad starter. You can try to bang on the starter with a hammer (it is near the front passenger wheel compartment). Banging on it will temporarily release the magnets and may allow it to start again. But if that works, it will continue until you replace the starter. I did mine myself - it was an easy swap (and cheap too - a generic starter was about $200).
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01-28-2010, 07:19 PM
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Hummer Veteran
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Join Date: Jan 2008
Location: Kelowna, BC
Posts: 125
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Re: 2003 H2 will not start
Sounds exactly like what mine did. Mine was the crank or pcm fuse (there was a yellow 20 amp fuse in its spot). Changed it, fired right up. Odd that it blew, My battery had died from sitting all winter,so I jump started the truck, let it idle for what I thought was 20 mins, but when I went outside to shut it off, it already was.
It wouldnt crank, so I put the battery charger back on for a full day. Battery tested good, so I figured the starter was shot. I put a test light on the starter terminal and discovered there wasnt any power going to the starter. After jumping the starter terminals (with the ignition in the run position) and it cranking strong for 15 seconds, realized it wasnt getting spark, but oddly enough, the fuel pump was running.
Anyway, hope you figure it out and let us know what it was. Also check all the fuses in the drivers side panel of the dash, I didnt have a problem there, but you never know. Good luck!
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2003 H2 w/ adventure package,4" Rancho lift, 20" cruiser alloys, Blacked out, 7" In dash DVD, Wood Kit, Billet chrome handles
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01-31-2010, 06:37 PM
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Hummer Veteran
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Join Date: Oct 2005
Location: Connecticut
Posts: 232
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Re: 2003 H2 will not start
did you solve the mystery?
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02-02-2010, 05:41 PM
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Hummer Novice
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Join Date: Dec 2008
Posts: 14
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Re: 2003 H2 will not start
+1 for "bang the starter motor" I had the same problem - tapped the motor with a hammer, started right up, hasn't failed (knock on wood) again in probably 50 starts?
I know it's a matter of time, but I don't want to change out the starter until it gets a little warmer in the driveway
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02-02-2010, 06:18 PM
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Hummer Veteran
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Join Date: Jan 2008
Location: Kelowna, BC
Posts: 125
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Re: 2003 H2 will not start
The "banging the starter trick" might work if you have tested the starter for voltage when the key is turned to start. You can run a long lead from the crank terminal (small wire) on the starter up to a test light that you can see from the drivers seat. If it lights up, its your starter. Keep holding the key on start, and have someone else tap the starter with the hammer. If there is no voltage at the stater, all the banging in the world wont help.
__________________
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2003 H2 w/ adventure package,4" Rancho lift, 20" cruiser alloys, Blacked out, 7" In dash DVD, Wood Kit, Billet chrome handles
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02-04-2010, 05:15 PM
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Hummer Novice
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Join Date: Jan 2010
Posts: 21
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Re: 2003 H2 will not start
turned out to be the starter. $206.00 from napa including core charge. Kind of surprised it went out so quickly. Have a lifetime warrenty on this one though. Thanks for everyones advice.
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