Simple 4 Wire Trailer Light Wiring Diagram

5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle.

Simple 4 wire trailer light wiring diagram. Start by cutting the white wire and attaching it to the trailer frame. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. The existing lights had one wire connected and it s the brown wire 4 pin 5 wire. Standard color code for wiring simple 4 wire trailer lighting.

Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Strip the wire end back about a 1 2 inch and insert it into a terminal with a heat shrink tube. This is an older 1999 trailer. Yellow and green are for left and right turns and braking.

Remember that yellow has a l in it so that is the left side brake turn signal and green has a r in it so that is the right side brake turn signal. Standard color code for wiring simple 4 wire trailer lighting. 4 way trailer lights harete. Installing the 4 pin trailer wires.

Cut the white wire short enough for attachment to the front of the trailer near the connector plug. Trailer wiring diagrams 4 way systems. Trailer electrical connectors come in a variety of shapes and sizes. By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights.

Attach the ground wire to the trailer. You have it right so far the 4 way connector is just as you have stated. I m not able to track down a wiring diagram for your chevy truck. The white wire must be attached to the trailer in order to ground and power the lights.

You must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. 4 way flat molded connectors allow basic hookup for three lighting functions. An extra pin allows using another extra function. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector.

Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.