How To Wire A 7 Pin Trailer. Trailers that use this are usually fairly light weight and don't have brakes or other power accessories. Trailer Wiring Diagrams showing you the typical wiring for most single axle trailer and tandem axle trailers.
How To Wire A Trailer. . . What is the best way to do this? Having the various pinout diagrams available is vital to troubleshooting and/or repairing.
A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Also I have a Reese brakeman compact.
Yet, with help from this how-to book even the neophyte mechanic can install a wiring harness. Multimeter with black/red probes that can test for volts. Your extra pins will operate these lights.