Performing diagnostic for p0674 glow plug circuit concern. Duramax engines are a line of diesel engines manufactured as a joint venture of general motors and isuzu.
Glow Plugs For Improved Diesel Performance
Glow plug diagram duramax. We are open shipping daily. 01 04 federal trucks use a basic glow plug system with 1 relay that sends power to the 8 glow plug a metal rail connects the drivers side glow plugs together a wire runs from 2 to the 1 glow plug and another rail connects the passenger side glow plugs together. Diagnose glow plug 66 duramax angry mechanic p0671p0672p0673p0674. Rather than produce a spark like a spark plug however glow plugs create heat which causes diesel fuel. Shop by vehicle gm duramax engine parts and performance for duramax glow plugselectrical for duramax covid 19 update. In a duramax engine glow plugs play the same role that spark plugs play in a conventional gasoline engine.
Removed inner fender lining to ease in access for testing. The diagram is simple each glow plug is connected in a series circuit like this 0 0 0 0 0 0 0 thats a in line 6 for a v 8 it would look like this 0 0 0 0 0 0 0 0 and 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. 2001 2004 duramax lb7 p0380 code glow plug relay detailed troubleshooting and repair duration.
Gallery of Glow Plug Diagram Duramax
