No service engine light is on, new wiring harness from under dash to key switch. was having trouble with the truck in the start position that sometimes it didn't work which made me think I had a bad switch,
I have a 1998 Chevrolet 3500 crew cab with a 6.5 turbo diesel. I had to change out the wiring harness for the ignition on the steering column. Now the truck starts then as soon as I let go of the key it dies. I have done the 10 minute wait for the system to reboot with the ignition on. I have...