7 Pin Trailer Socket Wiring Diagram - easywiring
2021-8-3u2002·u2002In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Use the 7 pin connector anyway see below and just leave out the last 2 wires. Below is a diagram for the original plug and socket showing the functions of each pin. If your truck has a built in 7 pin socket but you only need 5 of the pins.
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