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Instead of using a second alternator and triple batterys why not use two deep cell marine batteries and a high output alternator?
Premier Alternators are high output (up to 260 amps) and can be upgraded to use a Premier onboard arc or wire feed welder. Gremillion, and Mean Green are a few other companies that have high output alternators with welder capability on the market too.
Trying to tie in a secondary alternator to your existing electrical system could create big problems, the existing wiring might not be able to support the load which would mean burning up wires eventually.
A high output alternator with dual batterys, a battery isolator, and an auxillary fuse block would be better able to support the power requirements you have. I'd run the aux fuse block with a disconnect in case one of your accessories gets a short.
The advantages of two deep cell marine batteries and an H.O. alternator is a weight savings, less drag on the engine, less belts to worry about, and an independant system for the accessories that wont put strain on the vehicles existing electrical system.
Premier Alternators are high output (up to 260 amps) and can be upgraded to use a Premier onboard arc or wire feed welder. Gremillion, and Mean Green are a few other companies that have high output alternators with welder capability on the market too.
Trying to tie in a secondary alternator to your existing electrical system could create big problems, the existing wiring might not be able to support the load which would mean burning up wires eventually.
A high output alternator with dual batterys, a battery isolator, and an auxillary fuse block would be better able to support the power requirements you have. I'd run the aux fuse block with a disconnect in case one of your accessories gets a short.
The advantages of two deep cell marine batteries and an H.O. alternator is a weight savings, less drag on the engine, less belts to worry about, and an independant system for the accessories that wont put strain on the vehicles existing electrical system.
