You would simply have 1 pin on the 7 way connector that did not function. The red and blue wire can be used for brake control or auxiliary.

Choosing The Right Connectors For Your Trailer Wiring
How to wire a 6 prong trailer plug. Trailer wiring diagram 6 round best wiring diagram 6 pin trailer wiring diagram trailer plug 6 pin fresh wiring diagram for trailer architectural wiring representations show the approximate places as well as affiliations of receptacles lights and permanent electric services in a structure. 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. 6 pin connectors also exist but they are less common 1 4 wire the first 4 pins just like above and the 5th line goes to the brakes. They also have one wire for trailer brakes and one wire for a battery connection. There is a suggested and common method for 6 function trailer wiring. 807 234568 way male and female trailer wire extension connector234568 pin trailer plug 36inch for led brake tailgate light barstrailer wiring harness extension connector8 way square 50 out of 5 stars 13.
You can certainly add a 7 way trailer connector to your trailer with 6 wires. Blue electric brakes or hydraulic reverse disable see blue wire notes below 6. Expanded use trailer with brakes aux power amp. 6 way connectors include the basic connection of running lights brake lights turn signals and a ground wire. You will have the following functions. Back up lights 7 pin connector.
6 way system rectangle plug. Right turn left turn ground tailmarker brake battery. This is the pollak 6 pole round pin trailer wiring connector. Use on a small motorcycle trailer snowmobile trailer or utility trailer. I recommend adding a 7 way molded trailer wire connector like part h20046 and a junction box like part 38656. Now to help us with our review were also going to install it on part number dw04906 1 from deka.
How to wire a 6 pole round trailer end plug. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. Get it as soon as thu jul 23. This is our jacketed 6 wire. 6 way trailer connectors are often used on gooseneck trailers but can be used for other types such as utility boat trailers and 5th wheels. If there is no.