4 Pin Trailer Plug Diagram. Splice the seven-pin trailer plug leads to the trailer harness. The white wire is your ground wire, which must be cut short and attached to the front of your trailer frame with a screw to power your lights.
Wiring your four-pin trailer can be a challenge when you first do it, but it's a simple do-it-yourself task. When you're plugging in multiple Don't just plug all your devices into one cable unless they're relatively low load devices. It can transfer electricity better compared to the.
Cut the four-pin plug off of the trailer harness.
I drew this crude diagram to help explain.
Splice the seven-pin trailer plug leads to the trailer harness. Because this connector has pins in two rows, it is not backwards ^ "Hopkins™ trailer wiring diagram" (PDF). Trailer Wiring Diagrams showing you the typical wiring for most single axle trailer and tandem axle trailers.
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