H2 duramax conversion
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Junior Member
Joined: Jan 2022
Posts: 3
H2 duramax conversion
hello, need help if possible i converted my 2003 H2 to Duramax lly, so got everything running or almost i guess, my truck starts for quick half second then shuts off, checked everything possibly i could see, all harness connected, it feels like there's some kind of module or security system that prevents the engine to run, and it cuts down and shuts the engine
Junior Member
Joined: Jun 2024
Posts: 1
hello, need help if possible i converted my 2003 H2 to Duramax lly, so got everything running or almost i guess, my truck starts for quick half second then shuts off, checked everything possibly i could see, all harness connected, it feels like there's some kind of module or security system that prevents the engine to run, and it cuts down and shuts the engine
what did you do for radiator support and shifter bracket ?
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