Ok so i'm adding another amp so gonna be running 3... Was looking at relays and typed in 30amp electronics and came up with a 20/30 amp and a 30/40 amp... Whys there two numbers? Also you guys think I really need a relay and any of you got any pics of your relay setup? Amps are in Sig if it matters BXi2008 Zx350.4 Zx200.2