What is part number for GM glow plug controller?
What is part number for GM glow plug controller? Note: There's a new GM part number for the glow plug controller for pre-2000 trucks. The new GM/AC Delco part number is 12496472. Many GM dealers do not show it as a "glow plug controller", but as a switch or relay. Well, I tested out my glow plug controller, and the voltage at the glow plugs themselves is 9.8 when the controller is active. How many glow plugs are in a diesel engine? Since a diesel engine may have as many as 10 glow plugs, one for each cylinder, you may...