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  1. 155mm

    HMMWV starts then stalls

    I would start at fuel filter housing with a good inspection of the back ear, next i would bypass filter with one of the clear filters and you can check for air in the line also. Mechanical fuel pump failure? Are you growing oil in crankcase? are you getting good return fuel flow to ip
  2. 155mm

    Recommended spare parts for MEP-701a/016B??

    learn how to bypass the fuel tank sender
  3. 155mm

    Anybody have a part number for a mat

    I have all the mats from a 2 seater ‘new’ 400 mile truck i will send if you pay freight doesnt have center mat though
  4. 155mm

    4L80 DTC 73 pressure control solenoid with fix

    Went for a test drive after disconnecting batteries, same story different verse same as the first, shifts 1-2 then safe mode, so i turned off engine while rolling at 30, restarted in N, then shifted to OD, truck shifted to 3rd then acted like tranny was slipping, let off gas, shifted to 2...
  5. 155mm

    4L80 DTC 73 pressure control solenoid with fix

    Cleaned connections with electrical cleaners, retested at interior tcm connections, 4.4 ohms on c15-d16. I also tested the other 3 solenoids, all with ohm limits posted in sup7 Test drove, shift from 1-2 then went to safe mode. Still have same dtc 73, i am guessing the 2nd tcm is inop as well...
  6. 155mm

    4L80 DTC 73 pressure control solenoid with fix

    Is it deoxit that has a rubber feeling after it dries? i already have electrical cleaner that i was going to try, it also may have been the probes i was using to back probe the plugs, i will double check it all
  7. 155mm

    4L80 DTC 73 pressure control solenoid with fix

    Yes using sup 7, i verified, not going to ground, no atf in transmission j1 connection, clean like new and tight. reverified ohms at tcm j1, 4.9ohms. when i get more time i may check the tcm box external plug to internal plugs, seems high to have 1 ohm in a 4" of wire and 2 plugs. if a mod...
  8. 155mm

    4L80 DTC 73 pressure control solenoid with fix

    Vehicle is new to me, never operated, engine had been swamped, not swapped, swamped, assuming hydrolocked, sat for years and years, odometer showed 400 miles til towed home, now almost 700, everything looks brand new, foil tape still on all openings. Has data plate for Navy fire fighting foam...
  9. 155mm

    Body tub numbers

    i had read on somewhere that the tubs were matched to vins in 85-87, but i havent compared on those years to verify, my 89 was close though
  10. 155mm

    Body tub numbers

    Just curious, with all the R1's and new models out there now, I wonder how many of these tubs are being reused and if there was any correlation to tub numbers and any order when rebuilding or if they just pointed at yard with a wrecker and said go get me one. Might be fun to track just tub...
  11. 155mm

    Please recommend a transfer switch

    This is the one I used at the new house, smaller version at the old house but same concept.
  12. 155mm

    What have you done to your HMMWV today/lately

    got the SECM body moved from the 998 to the 1097, dont think the truck squatted any when the new body sat on. Still need to remove seat boxes, leaving left side seat box for now until someone can tell me where the tcm is supposed to mount with this body in place.
  13. 155mm

    Turn Signal Issue

    my guess is turn switch as that is where brake light/flasher is overridden
  14. 155mm

    Filler panel converted to SECM 1/2 doors

    @TOBASH thanks, I have a bunch of 3/16 aluminum sheet that I will make the roof and back wall with, I have access to a machine shop with a big roller so I will try to roll the radius for the roof. might try a door after the roof if i have enough left over. I think i will build the doors like...
  15. 155mm

    Filler panel converted to SECM 1/2 doors

    Converting a S250 carrier M1097A2 into a SECM, didnt have the half doors that are needed with the maint bed, so next best thing is to engi-nerd your own. Only store bought items are the hinges and a 3/4" nut, the rest of the parts came off the truck. Grind off the rivets that hold the support...
  16. 155mm

    Lost all my lights...

    bulb must be in the turn switch to function
  17. 155mm

    New from Lubbock, TX

    welcome to the green iron addiction, its like drugs but better. lubbock isnt far from the oklahoma panhandle, we have a group of green iron guys up here from pampa tx to garden city ks that get together every few months and drive our trucks around and visit car shows and such.
  18. 155mm

    Blackout light switch

    this thread has the pin out, you can check continuity from pin F which is power in to which ever circuit you are having trouble with. https://www.steelsoldiers.com/threads/3-lever-light-switch-mod-to-push-pull-switches.222782/#post-2602143
  19. 155mm

    Lost all my lights...

    H is service drive markers, so i would start there by disconnecting all the markers, front and rear since 21 is also 491 that services the front markers, and an ez unhook point is the hood harness bottom left and you disconnect the whole hood. you can also disconnect the turn switch while...
  20. 155mm

    Operations during volcanic ash fall

    Can you modify your intake to do an oil bath as a prefilter? On our old 60's grain trucks they had oil bath prefilters then an air filter on the carbs, some even had pre prefilter on the tops of oil baths then air filters
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