Have 12 27 watt led and I am running 10 gauge wire from switches, short runs to lights. There will be three switches for three different on off one for front to and one for each side of 5. That should be alright but where I am worried about is running 20 feet tops from the back batteries to the switches in the front, should I go 10 gauge wire there or will I have to go with 8 gauge wire. The LEDs are from customfitz by the way. They are great looking lights, will let you know what they are like on when I get them hooked up. Thanks for any info.