4 Wire Trailer Lights. Yellow and green are for left and right turns and braking. Start by cutting the white wire and attaching it to the trailer frame.
The 4 way system is designed so the right brake light wire and right turn signal are green. Side marker lights are powered by the brown wire. The four wires control the turn signals brake lights and taillights or running lights.
Yellow left turn brake remember yellow has an l in it.
4 6 out of 5 stars 1 210. The four wires control the turn signals brake lights and taillights or running lights. This item will ship to united states but the seller has not specified shipping options. 4 way trailer connectors are available in two styles.
