Lb7 won't fire, electrical problem - Diesel Bombers

Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

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Old 03-15-2017, 10:41 PM
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Join Date: Mar 2017
Posts: 1
Default Lb7 won't fire, electrical problem

I went to start my Lb7 on Saturday but would crank but not fire. Thought it would be something serious but we we're screwing around in the fuse box 2 days later and got it to start we don't know exactly what got it to start but we were trying to jump the f/pmp relay when it happens and we can't get it to start again. Any ideas please help.
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