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

wont crank or start

  #1  
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
 
  #2  
Old 12-25-2013, 04:32 PM
2004LB7's Avatar
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Default

check the 175 amp mega fuse under the fuse box shroud
 
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