Perfect Trailer Plug Configuration

In europe both 7 pin iso 1724 and 13 pin iso 11446 are common.

Trailer plug configuration. The sockets are provided with a plug expulsion system in case the plug is incorrectly connected. White ground wire. 7 pin h duty round plug socket.

White pin for the floor. The suggested minimum for the ground brake power and battery hot lead wires is 12 gauge. The yellow wire gives power to the left hand brake light and the left hand turn signal.

Green right turn lights brakes. The standard trailer plug and socket design is a color coded system using four wires. Since i am splicing my 7 way plug directly to the truck side wires would i run both of the blue wires to the correct plug connection.

The minimum suggested wire size for a 7 way trailer plug is 16 gauge for the turn signals brake lights reverse lights and running light wires. 15 pin h duty euro plug socket. In this case the brown wire is used for the tail lights the license plate light and the side marker lights.

The 13 pin version being phased in is newer provides more services than the 7 pin a more positive locking and also better protection against moisture and contamination. It may transfer power better so the connector is suggested for higher level electric in the auto. 13 pin euro plug socket.

7 pin ebs round plug socket. Blue wires are for electric brakes basically there were 8 wires connected to the oem harness 2 of which were blue. Trailers longer than 15 feet and heavier than 1 500 lbs must have a brake system that means another circuit for hydraulic brakes.