Start by cutting the white wire and attaching it to the trailer frame. The four wires control the turn signals brake lights and taillights or running lights.
Wiring Guides
4 wire trailer wiring diagram pdf. Trailer side time to wire up or rewire your trailer. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. Wiring diagram in pdf. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. Yellow and green are for left and right turns and braking. Trailer side 7 way pin style car side wire color key 7 way rv blade style car side 6 way round car side 4 way round car side 5 way flat car side ground right turn brake left turn brake taillights ground.
They also provide a wire for a ground connection. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. Use on a small motorcycle trailer snowmobile trailer or utility trailer. 4 way trailer connectors are. Pj trailers utility trailer wiring diagram. 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.
A y harness provides all the wire needed to get to every light on your trailer. Utility trailer 03 4 pin trailer wiring and diagram. The tail lights with a 4 pin style harness. 7 way plug vehicle running lights brown auxilary right turn stop green backup lights electric brakes blkblue trailer ground white left turn 1 stop yellow 6 way plug vehicle electric brakes running lights left turnstop xiliary right turn 1 stop trailer ckblue brown. Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. 4 flat y harness wiring diagram taillights reverse lights right turn brake ground left turn brake taillights right turn brake ground left turn brake auxiliary power.
Installing the 4 pin trailer wires. Trailer side car side wiring plug diagram. The red and blue wire can be used for brake control or auxiliary. As the name implies they use four wires to carry out the vital lighting functions. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. Can also be used as custom wiring on trailers with 3 lightwire systems.
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. Replace 4 wire flat trailer wiring connector.
Gallery of 4 Wire Trailer Wiring Diagram Pdf
