Trailer Light Cable Wiring For Harness 100ft spools 14 Gauge 7 Wire 7 colors

hi guys and welcome back to trailer 101 today we're going to talk about wiring your plug on your truck now this is going to be for most trucks in the u.s. that are relatively new ok back in the 80s some people switched a couple wires just to but you can get through that okay this is going to be for most modern trucks here in the US and most of us have a seven round plug standard on our tow package on our vehicle right well so today we're going to talk about a seven round plug as you can see this is the outside of our plug and the top little shell that's the indexing part that always goes vertically up when you plug it in to the back of your truck okay now for the trailer side you need to know how to wire it and when you get a trailer okay or the wires to wire a trailer you're going to have seven different colors in there and those colors are red usually black or purple could be one or t