As long as you got yours wired up correctly and your trailer taillights and brakes are functioning correctly thats all that should matter but occasionally there are some trailers that end up wired slightly different than others so the diagrams we offer dont match up perfectly. Parts needed to completely re wire 20 foot cattle trailer with light and reflectors.

Trailer Wiring Diagrams Etrailer Com
6 way round trailer plug diagram. 4 way to 6 way wiring adapter to power lights and charge battery of camper. If there is no. Why do the trailer brakes lock up when 6 way connector is plugged into ford truck. Check with a test light or vom. 6 way plug wiring diagr am standard wiring post purpose wire color tm park lights brown gd ground black or white s trailer brakes blue lt left turnbrake light yellow rt right turnbrake light green a accessory red the most common variances on this diagram will be the bluebrake redacc wires will be inverted. Round 1 14 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes.
The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer. 6 way systems round plug. Versatile design this trailer wiring connector makes a great replacement 6 way wiring plug it matches industry standard 6 way round connectors and is commonly used for towing horse trailers farm trailers boat trailers and utility trailers it can be used to connect the taillights brake lights turn signals electric trailer brakes and an. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Rv trailer plug install duration. What function is carried on center pin of 6 way round trailer connectors.
Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. This drawing from mark bruss shows the relationship of the 7 round to 7 flat plugs and how only three wires are common. Here is a great article on etrailer that does a great job presenting the different specs between the 6 pin and the different 7 way standards. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. The ways to convert from 7 pin commercial plug to the 7 blade light duty plug is covered intaillight converters.
Trailer electrical connectors come in a variety of shapes and sizes. Light duty non commercial truck fifth wheel and travel trailer wiring diagram. 6 way wiring diagram. I attached a diagram that shows how most 7 way rounds like the pk11720 that you referenced will get wired up.