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Because 2-12v batts are alot cheaper than 1-24v? Keep in mind, a 24v battery is the same as the 2-12v's.... just tied together internally.... I am not sure if that is the real answer.... maybe weight for removing them had something to do with it? I know they did use some 24v batts in some...

ARGH.... had my post all typed out... and GONE!!!!!!!!! anyway... to start again... the starter is the only true 24v item in the CUCV. The alternators are a 12v Delco alternator, with isolated ground. Basically they are a large frame alt. with the rectifier bridge insulated from the case...

Gotcha, never looked quite that close. but either way, the battery charger setup would be just fine. I am pretty sure cranetruck does a similar thing on his deuce... and thats a straight 24v system! Kinda wish he was watchin this thread....

Actually the 24v indirectly comes from the series. The 2 alternators charge each battery. Look at the wiring... I am pretty sure the wires dont connect from alternator to alternator. Either way, it should work just fine. the CUCV system is designed intentionally as a dual voltage setup.

If mounted properly, and wires tied up properly you have no more a chance of a vibration causing a short with the battery chargers than any other wiring in your truck. Keep in mind, the military did the same thing with solar chargers quite often!

There is no risk. Electricity isnt voodoo or magic. Its pretty straight forward. Your 2 alternators do exactly the same thing everytime you drive it.

Nope, not at all, it will work fine. Just think, you have 2 "12 volt chargers" under the hood already, mounted to the engine!! [^] With the way the system is designed in the CUCV, you can wire a small charger to each battery, directly. Look carefully at how they are wired, and you will...

You dont need to buy a 24v charger. Buy 2 cheap battery maintainer trickle chargers, mount both, and hook one to each battery. Will work great, and cost maybe $40.

Why not just hard wire the trickle charger to the batteries, and mount it under the hood? Then you can just run the cord out through the grill like the block heater, and plug it in.