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