Above we have describes the main types of trailer wiring diagrams. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights.
4 Way Flat Plug Wiring Diagram Crvtyu 16 Sprongoverhetveen Nl
5 pin round trailer plug wiring diagram. 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. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. 6 pin plug. Check with a test light or vom. I used a small 7 pin round for 10 years and then after replacing the plug multiple times changed to 7 pin flat for the last 15 years and i have never had a problem with a flat connector. 6 way systems round plug.
4 pin trailer wiring diagram. Traditional trailer with brakes use a 5 pin connector. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. I had one vehicle with a 12 pin socket and a trailer with a 7 pin connector and they played happily for years. Trailer electrical connectors come in a variety of shapes and sizes.
Small 6 pin round plug socket. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer. 5 pin boat trailer wiring diagram wiring diagram for a 7 round trailer plug inspirational 5 pin flat trailer wiring diagram boat. 1 tail clearance brown 2 left hand turn yellow 3 right hand turn green 4 stop red 5 electric brakes blue 6 earth white. The pollak 5 pole round pin trailer wiring sockets item pk11502 and pk11501 do not have a standardized wiring configurationi normally direct my customers to the 6 way wiring configuration eliminating the middle pin. Below is the generic schematic of how the wiring goes.
Round 1 14 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes. Note that this type of 4 pin connector is less common that 4 pin flat connector.
Gallery of 5 Pin Round Trailer Plug Wiring Diagram
