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I see what happened. The wire you burned is supposed to go to the driver side 12 volt terminal block, not the 24 volt. You probably had the rear battery positive connected to the 24 volt bus, then tried to connect the back battery negative to the 24 volt bus. Hopefully this is what happened...

That wire is supposed to be connected to the front battery positive. The front battery positive is also the rear battery negative.

Check blackout master switch.

Do you have a multimeter? Measure the coil resistance in both directions, use the higher resistance for polarity. If you get 400 ohms with the red lead on terminal 1, that will be the terminal the black pink wire goes to. I have the same Trombetta solenoid in mine, I can measure if this is...

Nice! Now to fix the other alternators. Some batteries have screw in posts, try tightening it first.

Small terminal closest to the labeled Bat input terminal should be connected to the black-pink wire. Other small terminal goes to the blue wire. Naturally, large terminal labeled Bat will connect to the resistor bank other large terminal goes to orange glow plug wires and the thinner orange...

This is yet another reason to keep it stock. I would print out the wiring diagram and see if anybody in the area has a stock CUCV for comparison. Very difficult to diagnose online.

This polarity warning applies to all solenoids, marked or not. How do you know if there is a protection diode? Markings are there easy clue. But some aren't marked, testing with a multimeter is the only way to be sure. The diode symbol should be in the circuit diagram but it isn't in the...

Yes, it matters on some solenoids. Some may have a diode in parallel to the coil to snub back voltage generated when the solenoid disengages. The magnet field collapsing causes a sharp reverse current which arcs switch contacts and lets magic smoke out of transistors. If labeled BAT, it...

Wiring diagrams are function specific, glow plug controller card is found in the -34 TM appendix E-7. Thanks for making provenance clear. How many crayons did you find under the seat? Ammonia works well to clean the spittle from the windows ;)

Looks like the holder for the glow plug card. The air tank is something the prior owner added.

Seals for DOT3/4 are fine with DOT5. The purple dye is absorbed into the Seals, turning the fluid yellow.

If the brake system has DOT5, there shouldn't be any corrosion so rebuild kit should be all that is needed. I've yet to encounter any corrosion in DOT5 systems.

I would wet sand 400 grit or gray scuff pad, then use Behr tinted to match. You can even spray with airless. Water cleanup, very durable once cured..takes a few weeks. Acrylic paint chemistry has come a long way in the past 30 years.

Measure? The prior commercial off the shelf vehicle series was the Dodge M880. These used 16.5 inch wheels. Bolt pattern is the same but the 16.5 won't fit the rear axle

I guess I need to look into that with my current turbo install. Variable nozzle actuator can be set at closed throttle position sensor to restrict exhaust flow area. Ideally, exhaust back pressure should be equal to intake to keep turbine thrust bearing load at a minimum. With minimum...

I noticed the brake dust on those wheels. You have something not correct if the transmission is freewheeling. The hydraulic pump driven off the engine (through the torque converter shell) delivers plenty pressure and volume at 600 RPM to engage clutches and bands. The torque converter will...

I would replace the ring. Correct diameters are the only critical dimensions. The insulation should be crimped to the end tabs to reduce stress, copper can fatigue at the sharp edge of the conductor crimp.

If the rotor is good, those parts pictured cost about $50. Takes me 30 minutes to overhaul one, new bearings included. I have one spare alternator on hand, I should order an overhaul kit.

If the new one is a rebuild, it is possible they left the pin in the brush holder. This would prevent the brushes from contacting the slip rings. A new, loaded brush holder has this pin holding the two slip ring brushes in against the springs. Once assembled, this pin protrudes out the back...