2001 2004 duramax lb7 p0380 code glow plug relay detailed troubleshooting and repair. Sounds to me like you used the wrong glow plug controller combo and took out the lly glow plugs.
Fg 3156 Ford Powerstroke Glow Plugs Relay Wiring Glow Plug
Lb7 glow plug controller wiring diagram. As i mentioned the rear most stud goes to the glow plugs with the light blue. It reveals the parts of the circuit as simplified shapes and also the power and signal links between the devices. I have a 2002 lb7 duramax. Possibilities it could be and how to test and repair the issue at a fraction of the price as compared to. Ok there is a plug on top but yes the power in and the power out is for the glow plugs and the intake heater. There are two wires that connect to the glow plug relay coming off a wiring harness.
A wiring diagram is a simplified standard photographic depiction of an electrical circuit. One to the glow plug post one to the iah post. 31l vin m engine control wiring diagram 1994 95 vehicles fig. 34l vin x engine control wiring diagram 1994 95 vehicles. Lb7s dont tell you which glow plug failed like the newer trucks do they just give you the p0380 code. Which goe read more.
These show the glow plugs. It goes straight down to the rear most glow plug first. Im trying to put back together. Wireing diagram for glow plug controller on a duamax lb7 engine how to wire the controller cars trucks question. I hope you put 62gs back in it of your using the lb7 controller otherwise the 63gs are going to fail right away again. Collection of 73 powerstroke glow plug relay wiring diagram.
The stud forward of that is the other fuse link.















