Gla 45 Trailer Wiring Diagram 4 Pin. MICRO SWITCH GLA Series Plunger Order Guide. Find this Pin and more on Trailer by Miguel Rodriguez.
The first step in wiring your trailer cables is to ground the white cable first. It gets complicated when you have trailers with more cables, and in this case, you need an adapter to make the connections. Crimping tool combo with a cutter and stripper.
Not sure which wires attach to what on your trailer connectors?
CLICK to check the right one for you or print as reference.
There are four most common Unshielded Twisted Pair. Wiring your four-pin trailer can be a challenge when you first do it, but it's a simple do-it-yourself task. I have searched all over and found some confusing (at least for me).
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