4 7 Wire Trailer Diagram. When shopping for trailer connectors remember that the male end is mounted on the vehicle side and the female on the trailer side. 4 way trailer wiring.
The first diagram is a simple set up of two brake lights two indicators and two side lights. There is a. Here is the diagram for 7 pin connector.
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You can also watch a video where glenn explains how to wire a 7 pin plug here. The white wire must be attached to the trailer for the grounding and power supply of the lights. There is a. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest.