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I have a Performance Tool W89731 kit, it lacked the glow plug adapter. So I bought Lang Tools TU-15-2A. But it's quick connect doesn't work with the PT quick coupler. Darn it. One of my other hobbies is precision air rifles, specially pre charged pneumatics. Well, the industry standard...

The one benefit of DOT5 is long life. You discovered the only weakness, price. Because it isn't widely used outside of military, the supply chain makes it expensive. Parts from local sources is a gamble for certain. I had to spend 15 minutes with an angle grinder on a wheel cylinder...

Easy fix. The purple with white trace is 12 volt from ignition switch. Solid purple is solenoid output 24 volt to starter. Red is 24 volt supply. This red wire is protected by a fusible link at the 24 volt bus, right side of firewall engine compartment. You need a wire to ground from the...

Car accident. Road racer clipped my left rear, flipped and my arm got dragged out the window. Still have 6 pieces of glass under the skin. Tired of surgery. Bad concussion but I am getting my memory back. Yes, I learned some of the CUCV while in the US Army. Last unit still had the...

I wish I had the energy to make the drive..I am doing cylinder head gaskets on my CUCV while recovering from a bad accident. I have about 2 hours endurance before I can't bear the pain. Damaged brachial plexus and lost feeling in half my left hand. I will help online as much as possible...

Knowing the current state is half the battle. You don't need the relay to start it, it can be hot wired. But it won't run with the injection pump electrical situation. This too can be hot wired IF you can test the solenoids. Preferably with the pump cover removed. The bare Packard...

On the starter relay..https://www.steelsoldiers.com/threads/doghead-starter-relay-modifcation.60960/

Yes, it is a diode and the cathode band is still visible in the charred example. This connects the transistor emitter to the solenoid so when the glow plug action is commanded, the transistor grounds out the solenoid, the other coil connection is 12 V+. The diode protects the emitter from back...

Interesting..

That injection pump cap looks like off a DB2831-5209 which is a HMMWV with the JP8 modifications (1.2 cST, low viscosity fuel of 1.2 centi Stokes). It delivers 52 mm^3 maximum so it will be fine on a non turbo. But it also has max fuel at 3200 RPM so it will limit top speed with 4.56 axle...

OK, I now see the IP has the vacuum regulating valve installed and since it is a 4520 pump but a 1985 year model, it was replaced. Why the HMMWV IP cover I cannot explain. I need to break out my HMMWV TMs to see if it is possible to install 12 volt CUCV solenoids with HMMWV connections...

Well, studying the injection pump image more also reveals you are missing the vacuum regulating valve necessary for proper shifting of the THM400 transmission. Hillbilly Wizard has used ones for $25. And an injection pump core for $125 which would be a good source for the IP cover with 12 volt...

If you could post the injection pump model number, it would help in getting it running. T he model number starts with DB28..DB2 is the series, a DB28 is for an 8 cylinder. The next 2 digits are plunger diameter, all 6.2 use a DB2829. CUCV from 1986 use a DB2829-4520, the others I don't...

You might have more issues as it appears this is a non-running acquisition. What is your general location? Some of us are willing to help in person.

You are going to need to look up the "Doghead relay" mod here..most of the truck is 12 volt, the starter requires 24 volts so there is a relay under the dash which takes the 12 volt starter command from the ignition switch and this relay switches to 24 volts.. without this relay system working...

The green has two connections, one is external and bumps the throttle when cold, the other is internal and opens the fuel return check valve. The check valve maintains about 10 PSI of case pressure when the engine is warm. Both get power from the thermal switch on rear passenger side of...

Lead based solder is why it is expensive. In the old days, radiators were repaired by desoldering with a torch and air nozzle, resulting in a major mess, physically and environmentally. Now they must use a wicking braid or HEPA vacuum. Parts are not cheap either. Then labor costs. But, if...

Wait..you jump start a 12 volt with 24? I remember using a 12 volt to jump start a 6 volt system but those have no electronics save a radio so if all others are off, you only connect the cables after starter engagement. Now, welding with a 24 volt battery is possible but crude and you risk...

The problem weld area is the boost tube right between the high middle runners. After cooling down and putting a 1/4" ball end carbide into the collet, short work with the die grinder. This tool has been used most in this project, mostly port matching the exhaust manifold flanges. Quality...

I sagged the leaf springs on my 1031..tools and parts plus towing heavy trailers. So I installed air springs, ditching the over load springs. Much better ride all around and easily adjusted. The tongue jack on my travel trailer needs a bit more height, dropping to 30 PSI does just fine...