Not all trailers have reverse lights so consider your own trailer as you wire in a 5 way plug. Suzco 25 foot 4 wire 4 flat trailer light wiring harness extension kit 4 way plug 4 pin male female extension connector wishbone style with 18 gauge white ground wire with sae j1128 45 out of 5 stars 278.
Hopkins 47205 4 Wire Flat To 7 Way Round Rv Blade Plug Adapter
4 wire to 7 way trailer wiring. 5 pin trailer wiring is very similar to 4 pin wiring but it adds in a blue wire for the reverse or backup lights. Use on a small motorcycle trailer snowmobile trailer or utility trailer. Do you have plug ready for trailer need to re wire and light whole trailer and brain transplant for myself. A 7 way plug connects your trailer and tow vehicle and provides the required lights turn signals brake power battery hot lead reverse lights and ground. Have titan xd 2016 pro 4x has factory 7 way and 4prong wold like to get 7 way on a old car hauling trailer. For long term use the connector on the vehicle should be replaced with a properly wired 7 pole connector.
Wiring a 4 way hitch plug to a 7 way trailer is not a difficult thing to do but it will not power all the circuits that are connected when the trailer is plugged in to a vehicle with a 7 pole connector. Basically it is another 12v circuit typically used for a reverse light reverse lockout for trailer brakes. 7 way connectors allow for all functions provided by 6 way connectors three basic lighting functions electric brakes and additional power supply with the seventh wire for backup lights. Trailer electrical connectors come in a variety of shapes and sizes. Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white.
By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Well walk you through the wiring process its easier than you think. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. The red and blue wire can be used for brake control or auxiliary. Can also be used as custom wiring on trailers with 3 lightwire systems.
Gallery of 4 Wire To 7 Way Trailer Wiring
