Exemplary Trailer Connector Plug Wiring

Narva s plug and play waterproof connection system utilises over moulded connectors that quickly join the lamps and trailer plug to the main wiring harness.

Trailer connector plug wiring. If a trailer has brakes then it needs a connector with at least 5 pins. Plugs trailer side and sockets vehicle side are available in all standard formats and can be spliced into your existing tow wiring. In these cases exclude connection for right tail light 58r and rear fog light 54g and connect the tail lights only to pin for left tail light 58l.

The 5th pin a blue wire gives power to operate or disable the trailer brakes. We also have mounting brackets and dust covers. On older trailers there s sometimes a 5 wire setup using a 7 pin connector.

Wishbone harnesses make the wiring job easier and eliminate the need for splicing in a jumper wire. Here is the diagram for 7 pin connector. The four wires control the turn signals brake lights and taillights or running lights.

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. The 7 pin connector uses on newer trailers all 7 pins according to the iso standard. A wishbone harness is a 4 pole connector with 5 wires that effectively splits the running light circuit into two wires.

This ford trailer plug wiring diagram model is more suitable for sophisticated trailers and rvs. Whether you re replacing an old connector or installing new trailer wiring curt plugs and sockets offer reliability and a perfect fit. Traditional trailer with brakes use a 5 pin connector.

4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. The suggested minimum for the ground brake power and battery hot lead wires is 12 gauge. 1 2 3 4 5 6 7 wiring diagram tailgate trailer sabs 1327 1981 1 left indicator yellow 1 2 auxiliary blue 3 earth white.