I wouldn't run 12ga wire to the back for any amp, unless its for a remote turn on. CBTech hit it right on the head..... No matter what the wire size is on the harness. You need to consider voltage drop in a 15 foot run. Minimum of 8, but play safe and go with 4 for add-ons down the road.
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P99rs Head Unit--- Amps- 2 Pioneer Prs800d --- Zapco ST1000MX---Zapco ST-4XSQ---- SI BM mk5 Subs---SI TM65v2 Midbass--- SI M3 mids--- SI M25 xbl2 tweeters ----- 2016 MECA street class 3rd place at world finals
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