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

03 lb7 dash wont light up. no ck eng light or glow plug light. wont crank over or click. batteries are in good shape. swapped relays and checked all of the battery wires. need help please. thanks... JOIN NOW TO REMOVE TRACER

wont crank or start

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Old 12-24-2013, 01:54 PM
brettdfny19's Avatar
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Default wont crank or start

03 lb7 dash wont light up. no ck eng light or glow plug light. wont crank over or click. batteries are in good shape. swapped relays and checked all of the battery wires. need help please. thanks

brettdfny19's Sig:2003 LB7 banks intake and 4'' cat back exhaust, ranch hand front bumper, ppe economy tuner, tough country leveling kit, banks 6 gun w/ speed loader, 50hp injectors...
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Old 12-25-2013, 04:32 PM
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check the 175 amp mega fuse under the fuse box shroud

2004LB7's Sig:2008 LMM Duramax 3500HD Dually
EFI Live, 5" straight pipe exhaust, 285/75/17 Nitto Dura Grapplers
4-6 Cognito lift, 4.56 gears. Rapter 160 lift pump, TransGo Jr.
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