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

wont crank or start

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Old Dec 24, 2013 | 01:54 PM
  #1  
brettdfny19's Avatar
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Diesel Fan
Joined: Dec 2010
Posts: 23
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From: elmira, ny
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
 
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Old Dec 25, 2013 | 04:32 PM
  #2  
2004LB7's Avatar
Diesel Bomber
Joined: Dec 2010
Posts: 1,190
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From: Fool's Golden State
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check the 175 amp mega fuse under the fuse box shroud
 
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