Quick ? about alternator

[jcash1995 10+ year member]

I'm getting ready to install a JBL BP600.1 and a P80.4 in my 93 beretta. Stock alternator, no power windows/locks, etc. I have already done the Big 3. If I figured this right, I need an alt that does 110 amps. Is this right? Or am I just overthinking this?

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[vinnie_febs 10+ year member]

I think you should be ok. Just install it and see what happens, if your lights dim just let us know and I’m sure we can find a place where you can buy a 130-150 amp alt at a good price. But like I said just hook it up and see what happens. I used to run a 600 watt system on an 80 amp stock alt, and never had a problem. And that was running A/C or heat, power windows everything on a 1998 nissan sentra, and lights never not once dimmed..

 

[jcash1995 10+ year member]

I'll just try it. Worst case, I'll need a better alt. THNX!

 

[Matador 10+ year member]

u should be fine n shoudln't need to upgrade ur alt. have fun