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Update: Got the GP relay installed with a dedicated 12v wire which is on a 100amp breaker from the battery. I went ahead and replaced all the glowplugs with AC60g's. The originals seemed to be working fine but were pretty gunked up and wet. Came up with a pretty sweet spot for the GP switch and...

Thanks. I knew I was off on something. Although my resistors were removed by the previous owner, I really like how you did the bypass. In the thread it seemed back and forth about whether to use a fuse or breaker, which do you think is better? So in preparation for this project I was cleaning...

I like the game plan. I have an St-85 GP relay and a momentary switch on order and they should be here this week. With my wiring all messed up maybe you could double check my plan to get this relay wired up with just a Manuel switch. 1) Top post: 12v power source from positive junction box by...

Right on guys. Thanks for the input and I will begin research all the parts I need to convert it back. I am just worried about what happened to the other wires that tap into the controller card. There are only 4 wires from whats hooked up now and I think controller card has 7 or so. :shrugs...

I have a 1986 m1008 from the Navy and it appears that they have cut out the GP controller card and replaced the original GP relay with an ACDelco 212-367 Glow Plug Controller Kit or something similar. The issue I am having is the relay will only cycle the glow plugs on for about 2 secs and the...