38 7.3 idi glow plug controller wiring diagram
Hey guys, I have a 7.3 Turbo IDI, and I'm just looking for some clarification on the glow plug system and whether I need a new relay. My problem is sometimes the glow plugs aren't running when they should, even though the WTS light is on and power is going to the relay. June 2, 2008 - Ok, so presumably the stealership is going to replace my GPC with a new one here in the next day or so. I however, want to by pass it and put the momentary switch back on my dash. Here are some instructions I found. Do they sound correct? Glow Plug Controller By-Pass Take the WHITE wire OFF... Information regarding the installation of a manual glow plug control switch on the 7.3L IDI diesel found in 1988 to 1994 Ford pickups. Topics include how to install and wire a manual glow plug switch in addition to information on how it works. 7.3 idi glow plug controller wiring diagram