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  1. A

    LED reverse light. Found a great replacement for $11 at Harbor Freight

    Fits perfectly in the stock location, is IP67, 12/24 V, mount width and through hole match the bracket on the truck. I took apart the connector on my old light and soldered the wires in so it plug into the truck harness just like the original...
  2. A

    Ether system function

    Based on the information in the TMs, my ether cylinder should be firing, but it isn't. Temp is 20F, truck is cold soaked and it was 7F last night. Verified ether solenoid works fine. Verified working ether relay. Verified relay solenoid has electrical connection with ECM (can see a slight...
  3. A

    MTVR maintenance course pdf

    Has some good info I haven't seen other places. A few diagrams with number identification as well. Since it's a course book the resolution isn't amazing though. https://mega.nz/file/zZUGgBAL#qIv3ETsmzeF3ToquoMeUGCv2Uudko-q7Tw7Q-JZfx6Y
  4. A

    Sun visor replacement

    Searched around but haven't found any information on a replacement. Any part numbers or civilian options out there?
  5. A

    So the MTVR adventure begins

    Well tonight my govplanet truck arrived! Came from Georgia and arrived in WI today. Drop off went okay, since it is way colder here (17f) I was a little worried. I tried to install an ether bottle but there were these two hoses in the way and one shattered when trying to move it (what is that...
  6. A

    Tow eye dimensions

    Wondering if my FMTV tow feet will work with some sleeves (1.0") to be able to move the MTVR around. Could someone please take these two measurements?
  7. A

    New CTIS issue on a trip.

    CTIS is set at 85 PSI on an MTV, after filling and the light going solid, the quick release valve going between the front axle and the two rear axles, the one that's mounted next to the transmission on the frame rail, remains open draining the front tires down a bit before it closes. This...
  8. A

    A1r 1079 up for auction

    Thought they were being held back due to the Ukraine situation? https://www.govplanet.com/for-sale/Light-Medium-Tactical-Vehicle-%28LMTV%29-2006-Stewart-%26-Stevenson-M1079A1-4x4-Van-Truck-Kansas/12589287?h=5000%2Cc%7C3467%7C3486%2Cmode%7C2%2Cmf%7C1&rr=0.5&hitprm=c%3D3467%7C3486&pnLink=yes Bet...
  9. A

    Ether cylinder, part number

    Haven't found it referenced anywhere. Best I can tell it's this https://koldban.com/product/20030-single-dieselmatic-ether-cylinder/ Can anyone confirm? My truck is missing it and will be arriving....sometime this winter and in Wi so I'd like to have the ether system working.
  10. A

    Cheap CTIS diaphrams

    All the seals (orings and sealing washers) are off the shelf and I've seen people paying $15 for the diaphrams. You can get them much cheaper and they are factory originals. I've used quite a few. https://www.pgttruckparts.com/599805-Eaton-Diaphragm-Seal-p/2264-599805.htm
  11. A

    Dealing with issues due to half-assed CTIS engineering.

    Replaced all my CTIS wheel valve assemblies with these: https://midwestmilitaryequipment.com/replacement-ctis-wheel-rim-valve-air-hose-assembly/ From the outside they looked like NOS units and I didn't inspect too closely. They certainly looked good, the hoses were the correct length, high...
  12. A

    Safety/reliability of 370hp tune (A1R)

    Going up a local hill I could do it at 45 with just frame rails. After adding habitat (20ft shipping container) and all the other stuff(eco hubs too) I was at about 25mph today(about 2 min at full throttle). This is a very steep hill, but still that's a big drop. Weight before was about 20k...
  13. A

    Thoughts on removing coil springs on A1R

    Noticing just how stiff the front end is over bumps and it's lack of articulation got me thinking. As far as I'm aware, the leaf springs are the same on the A1R A1 A0. A1R adds those large coils as well but for what benefit - some have said for the ability to carry armor in the future. Seems...
  14. A

    Have an FMTV, how is the MTVR in comparison?

    Have an A1R version (so the newest with the Cat C7). Considering picking up an MTVR in the future as I'm seeing quite a few popping up on Govplanet. Are there any key reliability issues with the MTVR? I'm liking they can go 65mph max versus the 58 of fmtvs (unless eco hubs added). Seems like a...
  15. A

    No power to cab accessory outlet

    Figured it was just unplugged, but nope. Also checked power at the fuse and nothing. This is an a1r. Power is going into the pdp so it seems strange power is not at the fuse input, and the TMs indicate nothing else in the way of the distribution. Before I try opening the pdp and breaking aging...
  16. A

    Had the fan kicking on at about 180f instead of 205 today

    I've heard at 205 it kicks on, and that has been my experience. Today I was climbing the neighborhood hill and kids wanted full throttle so I obliged. About 5-10 sec later the fan kicked in. Temp was still about 180. Wondering if fan clutch may be controlled by other factors than just the...
  17. A

    Hand pump overflow

    Had this problem for a while now, with two different pumps. When lowering the cab (allowing gravity to do it slowly - no pumping on the way down) I get hydraulic fluid pushing out the vent plug. It will do this on successive raise/lower cycles until it pushes out enough I can't even raise the...
  18. A

    Mastercraft seat NSN numbers for driver+passenger

    I wouldn't mind changing out mine for some of those 5 point belt style, see some seats on govplanet lately. This is the style, but these look like the middle seat.
  19. A

    370hp? Don't mind if I do!

    Found a spare, unused ECM. Got it reprogrammed for 370 horsepower. Going to keep my original one stock horsepower and use it as a spare I think. Wasn't the easiest process but eventually got it done. Haven't tested it in the truck yet.
  20. A

    Swapping 100 amp alternator to 260 amp on a C7

    Looked around a bit but seeing so much different info and a lot of it is for prior than A1R trucks. Best I can tell, I only need the alternator for the upgrade as I have the single belt, supposedly correct alternator bracket? Plan is to power a mini split and use for both cab and habitat...
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