I have a 1998 GMC Sierra 2500 that I'm putting back together. When I put the motor in I noticed that the glow plug wiring was missing on this. I yanked the wiring out of my 94 and can't find where the fifth wire on the driver side set of glow plugs connects into the system. From the wiring...
ok I have a 1994 k 2500 that im trying to get running. well i should say i got running but not right. previous owner had a fire in the engine bay so i got a new wiring harness for it. also found out that it has a IP from a 95 3500 same with pmd. Now I have both computers for the truck...