2 amps to one headunit/battery
get a distribution block, run the power from the battery to the block then get 2 shorter pieces of power cable and run it from the block to each amp. you can get a cheap block off ebay. you can eithor get one with fuses or without, though if you fused the power cable properly and you arent running over 1000w then you wont need a fused block.
you use a 4 gauge wire from the battery to the distribution block, then depending on what gauge your amp takes, (eithor 4 or 8) you run 2 shorter power wires from the distribution block to each amp
dude, go to www.fbodyaudio.com go to the tech section, it will answer all your questions, from the HU you need to find out which wire powers the amp, i think it is usually green in color for F-bodies, then you run one to the rear of your car and splice it to both of your amps. I knew jack **** about wiring stereos, i read a crap load about it and i was able to put in my entire system by myself.
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No, you don't run power from amp to HU. The HU is powered by the harness in your car. It's the one you see after you remove the stock HU. You have to buy a new harness that matches this, and then wire it to the harness that comes with the new HU. Use this as an adapter to connect the stock harness to the new HU. The only things you connect from the HU to the amps are RCA's and remote turn-ons.
Hope that makes sense.
Hope that makes sense.
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Verdad Gallardo thanks guys i got it ,what i was doing was adding another amp to my inside speakers so the voice can be louder i had another amp hooked to some subs but the bass was real loud and could not here the voice...so now i have 1 amp for my inside speakers and another amp for my subs...thanks guys
