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Edited for clarification: Repeating code 12 continuing on and on and on without any other numbers flashed in the middle means system cannot detect issues. Some broken parts can evade detection. I had a transmission do weird crap when it was overfilled.

G550, Rather than guessing, perhaps either provide proof or relax and don’t get everyone bent out of shape. With the paucity of information you present, your comments seem misguided. HummerH1 is getting ready to try one of these units in one of his rigs. I’m sure he will be happy to post short...

Looks like a bright strobe light saying "Don't Buy Me unless you need a parts car or paperweight"

Balance and alignment.

Feel free to PM me.

Windshield heater is possible

Eric made them custom.

That generator requires a dual regulator. I can’t read the numbers. Probably needs a N3135 regulator. You need to review the Neihoff alternator TM’s.

Pictures of type of generator are a great place to start Ken. Maybe more info in your signature line so we can help without guessing.

N3135 bought from reputable vendor like 86humV or RWH or HPG I might avoid a specific vendor on EPay who claims OEM but they are really chicom knockoffs. Golfer or Wolf Man or some such...

Eric aka Hummer H1 rips those anlternators out and welds in mounts for off the shelf GM alternators. He has almost 300,000 miles on one of those conversions.

My humble advice… Temporarily use two wires to bypass and power up tranny to see if that helps. Then you will know if you can drive. After that fiddle with and or trace wires and replace the power breakers.

Even with bad glow plugs, that light would light up assuming it’s functional. The implication is either the light is bad, or Mogman is correct stating that the protective control box versus EESS Smart box is no longer properly functioning.

Mogman, you post that TM so often that you need to include that transmission TM in your signature line. 😉

Awesome

At roughly 2700 RPM I have a screaming pulley. I’m hoping it is not the Whipple. Stay tuned. 1995 GM 6.5 NA block.

Once you interrupt the energy flow in a set of batteries connected in series, you have essentially disconnected the circuit. Just disconnecting the connection between the two batteries, if done carefully and correctly, will remove power from the circuit. When you play with electrics on a HMMWV...

Disconnect the batteries prior to fixing the starter and its switch, or you will blow the glow plug controller and you’ll be calling me about a “Genius Box”. Before doing any and all electrical work on your truck you MUST MUST MUST disconnect the batteries, or else you’ll blow the PCB/EESS also...

1) read the TM’s (technical manuals) that are provided for free above 2) update/upgrade to the new starter bracket. The starters are heavy and the new style bracket makes life easier. 3) extract the old broken starter bolt and use 2 brand new starter bolts. Kascar and Hummer Parts Guy and...

Posting plans of that for us steel working and welding guys with dimensions would be awesome!!!!!