1990 Mazda B2600i electrical

[cfox10 10+ year member]

My plan right now is to wall the back of my extra cab, and run about 6krms to the substage, 500rms for the mids and highs.

I have 4 batteries that I'll be putting behind the seats. I'm not sure where to run the amps (behind the wall? In front of it behind the seats? I have a 50ft run of 1/0 and I have the Big 3 done. I haven't gotten a good HO Alt. because I'm not sure I need it?

At what point do I need to upgrade the alt?

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[husker77 10+ year member]

Well the stock alternator puts out 60 amps, so I would say now.

 

[cfox10 10+ year member]

Well the stock alternator puts out 60 amps, so I would say now.

Yeah, I was sad to find out the stock alt in my truck puts out 80 amps... I haven't found a place that carries a high output one yet. Anyone send me in the right direction?