Hey guys looking for some help please our 2005 6spd 3500 4x4 keeps blowing the #20 fuse ..start/run. first time it was sitting at the gate then just died....would not start, found blown fuse started up, next day drove it to 3 diff places came out to start it noda.. fuse again new fuse still no start swapped a few relays #61-#62 then it started but the relays test ok. it has no codes what could this be ? any body seen this before?
trucks right at 200,000
thanks R

 

Check the yellow/blue tracer wire going to the starter. It's the solenoid trigger wire. See if it is chaffed and shorted on the engine mount. They are known to short here. It's on the drivers side. Easiest access by taking the drivers side wheel well out.

 

OK thanks I will look and check back in

 

well it aint blown yet maybe it was the relay? the blue /yellow wire looked ok hasnt popped yet