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Yes the lower one has a 14V regulator. I was having problems with the no charging happening at all and the batteries were dying until I flipped the switch thats been wired to turn the top 28V alternator on, so I am assuming this 14V lower alternator is not operating at all. Is there a good way...

Here is a picture of the 12V bus, which doesnt seem to be 12V at all. There are two wires coming off the bus going into the wiring harness below and one more wire going directly to the back of the fuse panel below the steering column. Then there is a bigger orange wire which runs to the lower...

I recently picked up a M1010 truck and had some questions regarding the wiring for the lights. It seems like some things have been modified on the truck, so I am trying to understand what's been done. It almost seems that all the 12V wiring has been eliminated and everything is set up to be at...