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Hello all, Its summer time so back to it… I’m interested in switching to only having a 24 volt system. I know others have done this or have planned on doing this while others bought their trucks already this way so I know it’s doable. For the radio, trailer controller and a couple of 12v...

Hi all, Another week, another question. I relocated my air tanks (and batteries). I was extremely diligent at marking and labeling what connection goes where. Its connected the way it was before. But, now that I look at it I am just baffled! It makes no sense to me. From the wet tank...

Hi all, Has anybody swapped differentials on a 3116 (non electronic) and then corrected the speedometer? According to the (TM 9-2320-365-20-1) (page 2-344.1) the speedometers should be able to be corrected by simply setting the Dip switches. Its probably similar to the instructions in the...

Hi all, I have a M1079 and will eventually turn it into a camper. It's become a multi year project now and I'm still not too far along. Long story short... to increase usable space I have removed everything from in between the cab and box. There is a ground shunt that I'm wondering if it's...

I more than likely disconnected this (air line?) and now I don't see where to reconnect it? This is on a 1993 M1079 with a cat 3116 engine. It may be different than the other engines (3126, 3136, A7). As the picture shows, two lines come out the valve cover on the passenger side of engine...

The lights are already 12V. The alternator already puts out 14v and 28v. Fooling the exiter relay just to engage the alternator may be a thing. Caterpiller engines are not exactly uncommon so finding a 12v starter that'll fit shouldn't be that hard. The real question is the electric...

Inside the battery box there is this unidentified item. Its wired 24V, rests in the battery hold down tray thing, has a led on it and has a coilled cord. Its cylindrical about 4 inches long. What is it? is it important/needed?

Hi all, I'm going to pick up a M1079 soon, before I drive it I want to check the hubs and differentials for oil. I will check many other things as well. Would one of you tell me the correct size plug sockets to bring? I assume two different sizes.

Hi all, Its ill advised, but I am going to try it regardless. I'm going to pick up a '94 M1079 from Ft Lewis-McChord late next week, spend a day at my sisters going over it in Seattle and then drive it back to Rochester, MN. I hoping to find some safe ports along the way in case of issues...

I just purchased a M1079 LMTV van that I'm flying out and planning to drive home. All the way to Rochester MN. Is anybody in the area familiar with this style of vehicle willing to "show me the ropes" (PCMS pre-trip checks etc) I've never drove one before and I'm looking for a friendly tutor...

Hi all, I've been just a casual watcher/reader for awhile but I believe this is my first post. I originally became interested around the time I purchased a little Mep-016D generator. And again with much interest a few months back with the EPA and surplus vehicle issue. Seems to have worked...