Hey Richard, thanks for the pictures and all of the information! Your friends are 100% correct. The 2-to-3 Tail Light Converter item # 118158 is exactly what you need. Motorcycle wiring has the brake lights and turn signals on separate wires which is the opposite of trailer wiring which has them on the same circuit.
To install it, you'll need to find the combined left turn/brake wire, the combined right turn/brake wire, the running light (tail) wire, and the ground wire on your motorcycle's... view full answer...
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