97 s10 electrical system upgrade

I have added a 200 amp powermaster alt and 2 additional batteries in the rear.  I have additional equipment added to the stock system and want to make sure i am doing this right.  I made the mistake at first when adding the 2 yellow top optimas in the rear i connnected them parallel with a stock Gm battery in the front, wrong move killed the optimas.  I have run #2 welding cable to the rear and to all equipment in the rear.  Due to the truck haveing an ai ride suspension system there are 4 compressors pulling 18 amps each in the rear also an electric fan was added at the radiator.  Are there any wiring diagrams that would help me as far as the wiring and am I on the right track in continuing with the 2 yellow tops in the rear and installing a red top in the front? jnhvn

you can wire them in the parrell but the only thing is you need a isolater or a soilieond to seperate you main battery from your extra now all 3 of your batteries must be the same age likeness and charge. the reason being if not one will drain the other. i also advise not to have threee batteries because you will make your alternator work three times as har one in the front and back shpuld be sufficant. multuple batteries is just for useing your 12v devices for an extended amopunt of time. but you alt. has to charge them as well. good luck1993 sdv

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