7 Blade Trailer Plug Wiring Diagram Ford. Trailer Wiring Diagrams showing you the typical wiring for most single axle trailer and tandem axle trailers. A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Not sure which wires attach to what on your trailer connectors? Look at the wiring diagram for your truck's ignition switch. I'm trying to hook up my boat trailer, but I'm not getting any lights to the trailer.
Make sure wires go to the correct pin plug end as they correspond to the blade plug.
I went by the diagram on the male.
Wiring an aftermarket plug as opposed to an original equipment manufacturer plug may void the existing warranty on your truck's electrical system. I'm trying to hook up my boat trailer, but I'm not getting any lights to the trailer. This supplies power to the road lighting of your trailer or caravan.
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