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Derwd24, You asked about color code...by all means do it...........I had a 40' Sport Fish and if we didn't use color code it would be virtually impossible to determine what goes with what. Works good on the smaller boats too. Other things you can do is buy a number kit from lowes or somewhere. It is a sheet that has multiple numbered stickers on it and you can number each end of a wire once you determine what it goes to and you will have somewhat of a road map to everything. You can also buy different colored electrical tape and color code the wire on the ends with the different colors. Anything to make it simpe for you later down the road. Multiple Buse bars are a big help too