Review of Optronics Trailer Wiring - Trailer Connectors - A20WB Video

The Demco adapter part #DM6140 that you referenced is a confirmed fit for the B and W Turnoverball gooseneck hitch you have installed in your 2017 Ford F-250. This will allow you to install an industry standard fifth wheel hitch by B&W, Curt,…

We do indeed have an install video showing the Curt #C56040 trailer wiring harness being installed on a 2014 Subaru Forester. The linked instructions show the location of the connector that the wiring harness plugs into. Once you locate the…

A high speed steel drill bit would easily get through galvanized steel to install the Fulton Hinge kit part #FHDPB230101 that you referenced.

If you have a 4-way trailer connector like #118418 then I recommend using a wishbone harness to wire your trailer. The 20 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 30" Ground #A20WB is my recommendation for your wiring because it will…

Typically trailer wiring is color coded. The brake circuit is usually a blue wire which travels to each brake magnet, where it is attached to one wire from each brake magnet. The other wire from each brake magnet will ground to the trailer frame. I…

You will want to use a dial caliper or micrometer to measure the inner diameter of the hub you have on your trailer to determine what size cap would be needed. Check out the picture I attached that shows this measurement being taken on a hub. I wish…

We definitely carry those! For those parts, you need 2x of the #RG04-080 and 1 of the #DC250L-DCRP. I went ahead and attached helpful demo videos of these products for your convenience.

It sounds like your trailer has a special type of 4-pole connector called a wishbone harness, such as 20-foot #A20WB or 35-foot #A35W42B. These wishbone harnesses simply use two brown running light wires to make it easier to wire your trailer's…

Figuring out what color wire goes to what function is sometimes quite confusing. I have attached a diagram which covers both the most common wire colors designated for a seven pin trailer connector and a seven pin vehicle connector, referencing the…

Your 4-pin/5-wire wiring harness is what is called a "wishbone" type which simply means that there are two separate running light wires, one brown and one pink. This allows a separate running light wire for each side of the trailer which…

Did you have a 4-pin connector that had 5 wires or was it a 5-pin connector? There is a big difference since you normally see a 5-pin connector on a boat trailer with the 5th pin used for an electric reverse lockout solenoid on a brake actuating…

What you have a is a 4-way Wishbone trailer connector like part #A35W42B. The two brown wires are both the running light circuits. One needs to ran to each side of the trailer. This makes the wiring a little easier instead of having to run the brown…