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Hey everyone. Finally got around to messing with this humvee and it hasnt turned out good at all. I got 7 of the old glow plugs out and ohm checked each one. all 7 were showing OL. The 8th one i could not get out and was afraid i was going to break it. I ordered a set of plugs from...

Thanks alot. I kept messing with that one and it finally came out. Looks like it was just sooted up enough to cause a issue. Still have 6 to go tho lol. Looking at the one of the plugs the numbers that are on it are: 19207-12338771 and MRF-3HCM3. On the hex head part there is 174. No clue...

Good morning. I got around to messing with this humvee some more. So far i have only messed with two glow plugs. The first one unscrewed very easily but it doenst want to come out. Turns easy but just wont pull out. Not sure if theres just alot of soot built up on the tip or the tip is bent...

I looked at that PDF and came across the "cold start advance switch". It really doesn't give much description into it just how to test it. I assume it has to do with advancing the fuel timing when cold. Is this correct?

They "look" new. I will check the resistance of them tomorrow and maybe see how well they want to come out. I kinda thought something had been messed with bc all the glow plug connectors have been marked

Thanks. 1-Patriot-of-many thank you for that PDF link. Google search found it. That will be a big help

Thanks for the info. I unhooked each glow plug before using a test light going from battery positive to each plug. Do you guys prefer to ohm check them by removing them fully or just going from the exposed tip to ground?

Hi everyone. Owner of a M998 wants to install a kill switch. He has grandkids running around and doesn't want them to be able to start it when no one is around. On the ignition switch I have found if I unplug the top wire is shuts everything down. Switch is dead. Could I place a ON/OFF switch...

Hey everyone. Kind of a background story real quick, I work as a tech at a Chrysler dealership. A guy traded a M998 in and the owner has kept it. Traded in this past summer and haven't had any issues until now. this may be a long post so forgive me for all the reading. A few days ago the truck...

Hi everyone. Been poking around the site for a few days. I have the luxury of working on a 92 M998 humvee and it has issues so I'm sure you guys will hearing from me!