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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 02-23-2010, 12:00 AM
pdsq99f4 pdsq99f4 is offline
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Default Re: H3 engine turns but won't start.

The remote start is most likely at fault here. There is a bypass module for the remote start system that is not "tricking" the anti-theft propperly. I would have them remove the remote start and ask for my money back. Not worth the headache to have your car not want to start because someone has hacked into the wiring.
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Old 02-23-2010, 02:01 AM
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BACKNBLACK BACKNBLACK is offline
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Default Re: H3 engine turns but won't start.

Happened to me in 2 of my 4 H3's. The H3 Bypass module has an issue with Remote Start. Wen this happens to you must wait 10 full minutes before trying to start it again (DONT USE REMOTE, USE THE KEY) the bypass module takes 10 minutes to get out of "theft mode" this is in your manual as well, I forgot what page. The only way to get this to full proof work is to get a shop to "OLD SCHOOL" wire around the bypass module. I even had the GM bypass module put in over 3 different remote starts and that was the only way to get it to work 100%.
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  #3  
Old 02-26-2010, 02:21 PM
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Default Re: H3 engine turns but won't start.

Yes had this problem with my h3t and my viper remote start alot earlier in my remote's "career". The first reason was because on my key chain i had another "fob" for my gym. They said that could be doin something, so i removed it. Then it actually seemed to happen on the coldest of days...like when my truck would sit from when i came home from work at 4pm til the next morning and the weather was below 10 degrees(kinda defeated the purpose of the autostart). So i would actually autostart it right before i went to bed, just so it didn't sit for long periods in the cold weather. That seemed to work for awhile. And now i have a garage so it doesn't ever sit for long periods of time in cold weather and it hasn't not started in about 6 months. I still use the autostart with the garage, just to use it. And every know and then i just use it to start it so it's being used. But long story short, my dealer actually said alot of people have trouble with autostarts and H3's and H3Ts. You would think in 2010 some of this stuff would just be already installed.
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Old 02-27-2010, 05:09 AM
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Default Re: H3 engine turns but won't start.

Buy me a plane ticket to Vegas and I will fix it for you.
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