I am helping a friend to find the wiring color code, it is a 2013 Streetbob, he has to relocate front turn signal, he wants to know which color wires to disconnect.

Thanks Alex

 

When I disassembled the front sigs for powdercoating on my '010 I found three wires going to the socket: blue, violet, and black. Probably would be the same for your friend's '013, but you should really confirm before you start snipping away at the wire bundle. Good luck!
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Don't know if the 13 SB is different than the 12 WG, 12 WG are wired to the switch and have to be cut. Here is the HD Instruction Sheet.