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"The two enemies of the people are criminals and government, so let us tie the second down with the chains of the Constitution so the second will not become the legalized version of the first."-Thomas Jefferson
Think out side the box...Large trucks use 12v for every thing too, but some have a 24v starter. How can you run a 24v starter on a 12 system?
A second idea, is to switch the alternator and batteries to a 24v system but run an A/B POWER system. The only possible problem would be that both batteries share the same ground...which could short the second battery to the first. A and B have to be ISOLATED from each other.. so this may not work...
This is kind of true. Most big rigs are a base 24v system. The alternator, starter, engine(ecu and sensors) and many other things are 24v parts. They do have a 24v to 12v dc-dc converter (which is a lot less expensive than going 12v to 24v) for all the standard stuff such as cigarette lighter power outlets and lights (some even have 24v lighting systems). I state this based on my own experience with my father's rig, which is several years old. It wouldn't surprise me if the newer rigs run more off the 12v system, since the price of 24v to 12v converters has dropped a lot in recent years, but they still must use a 24v alternator to charge a 24v system.
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