Wiring Diagram

Marine Master Trailers utilizes different types of wiring harnesses and plugs for various trailer models. Wire colors are:

BrownTail Lights and Marker and Running Lights
YellowLeft Turn and Left Brake Light
GreenRight Turn and Right Brake Light
BlueBackup Lights and Solenoid Lock Out (disengage brakes while in reverse)
Optronics A30W5BL2BP34′ Jacketed 5-Way Wiring Harness (for trailers with brakes and/or backup lights)
Optronics A57CCB5-way flat to 7-way round, coil cord
etrailer.com How Tohttps://www.etrailer.com/faq-wiring-5-way.aspx

More info to come…