AKaylor09 Posted September 24, 2009 Report Share Posted September 24, 2009 I plan on installing a rockford fosgate t40001bd paired with my two fi btl 15's. Im just not sure of what amp alternator i need since i only have a stock 105amp and a stock battery. I have done the big 3 with 1/0 wire and thats what im wiring with the whole car. So i was wondering what battery i should put under my hood and what batteries i would need to install in my trunk. What size alternator i need. I drive a 89 buick lesabre. Link to comment Share on other sites More sharing options...
EricR Posted September 24, 2009 Report Share Posted September 24, 2009 get the biggest alt for your car, biggest battery that will fit under your hood, 2 runs of +, 1-2 runs of -, 2 big batteries in the back i was thinking leave the 12 sitting in the box in the hole and duck tape from the bottom of the sub to the bottom of the baffle so the sub doesnt free air. would that work? Link to comment Share on other sites More sharing options...
Andrew2944r Posted September 24, 2009 Report Share Posted September 24, 2009 Alt 200 - 300 amp from DC Power Battery - 2 group 31 batterys at amp Team Ampere Audio Link to comment Share on other sites More sharing options...
Iraggi Alternator Posted September 24, 2009 Report Share Posted September 24, 2009 I would do dual alts and a batt in the back... Probably 260's Link to comment Share on other sites More sharing options...
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