Quote:
Originally Posted by mr.lonelys12
question 1. what gauge positive and negative wire should i use for the amps? i was thinking of going 4awg to the cap and distribution block, then from the block to both amps run 8awg power and a 4awg ground. this is what i want to do because i have the wires for this. will this be too little?
should i go 0awg to the cap and block, then 4awg power and 4awg grounds to both amps? is this over kill, and will it put too much strain on my electrical system?
question 2. what gauge wire should i run from my amp to the subwoofer?
question 3. the deck i have only has 2 sets of preouts. i need three for the front, rear, and sub. could i combine the fronts and rears using a splitter type rca jack? would i be able to still control the gain on the front and rear separately from the amp?
thanks! 
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The power and ground wires should be the same size no matter where they run, so if you're splitting 4ga into 8ga to each amp for power, do the same for ground. Or just run a pair of 8ga grounds from one spot.
The woofer can run on any ga wire, I doubt the 800W your amp is rated for is realistic, so 10-12ga is fine.
You will not be able to control the front/rear separately if you split or merge the signal. I would split the rear signal instead to the rear speakers and subwoofer amp, leaving the front channels independent. Otherwise you won't have a fader control and be forced to adjust the gains at the amp to compensate, leaving it fixed.