. I changed the starter in the 2005 pete the truck starts but now I have no power to the cab Fuse is good, power is going to the I ran into this on an 06 387 it was the starter relay on the passengers side under hood fuse box I had a buddy hold the switch to start and wiggled and move the relay, and check the wires behind it ; What is 2005. 1 - 30 of 31 results. What is 2005 Peterbilt 379 Starter Relay Location. . . .