Having problems with your 2003 GMC Sierra 2500HD ?

I have a 2003 gmc sierra duramax diesel and im in need of a glow plug diagram?

Posted / edited by AnonymousUser on : 16-07-2018

Answers :

The diagram is simple each glow plug is connected in a series circuit like this -0-0-0-0-0-0-0 that's a in-line 6 for a V-8 it would look like this
\015\012[-0-0-0-0
\015\012[-0-0-0-0
\015\012and the plugs would be hooked up on the back then if you follow the wire to the glow plug relay you will find that the relay has four wires one to battery one to the glow plugs one to the ignition switch and one to ground in the box. If you want you can purchase a manual for 5.99 on-line. and it covers the three fuse-able links for this system and the new Glow plugs available for this truck here is the web page. http://www.wiring-diagram.com/?gclid=CMuAvJ3Ql58CFQZfagod0jpAxQ
Repair Help & Product Troubleshooting for 2003 GMC Sierra 2500HD

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