23+ Brown Wire On Trailer Lights. How does a trailer light circuit work? The brown wire is for the side marker lights and rear brake lights.
Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxiliary functions such as electric trailer brake control, backup. It is sometimes necessary because of the legal requirement for trailer lighting. You will also see a brown wire which is the taillight wire.
Leave the battery charger on the white wire pin and move the other lead to the brown wire pin;
Bike to trailer wiring diagram. Green = right stop/turn lights yellow = left stop/turn lights brown = tail/running/license lights blue = electric brakes red = battery (12 volts) white = ground. For more advanced issues that you. Fish your brown and yellow trailer kit wires up through the mud cover (underneath your jeep below your jeep tail lights) up through the hole where your jeep lights are.now splice them.