What are the Functions of a 4-Way Flat Trailer Wiring Connector with 5 Wires  

There are a few troubleshooting steps that you can run through to determine why your running lights are not working. The first step that I would take is to check all of your ground connections. A faulty ground connections can cause many different…

It would seem that your tow vehicle has a typical 4 wire connector where white is ground, green is the right turn signal, yellow is left turn signal and brown is running lights. In this configuration the brown wire from the car connects to the brown…

If there is no power on the truck side trailer connector running light circuit then it could be a blown tow package fuse or a loose connection, damaged wire, or ground issue. If the connector on the truck is factory then consult the owner's…

Going by the colors that you mentioned, it sounds like you have the typical set-up, green wire for right turn and brake, white wire for ground, yellow wire for left turn and brake, brown with green wire for right side running lights, and brown with…

You have a wishbone harness like #A20WB. This type of wiring harness splits the running light circuit at the trailer connector, so you don't have to run a jumper wire from taillight to taillight. The yellow/brown wire is the running light circuit…

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…

I am a little confused as to were the connector is, on the truck or on the trailer. Brown wires are typically associated with running lights. If there are 2 wires coming out of that pin and we are talking about the trailer side then you have what is…

Connecting the brown running light wire in standard 4-pole wiring to both tail lights will require a jumper wire from one side of the trailer to the other, or you can install what's called a wishbone harness that has dual brown running light…

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…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

There is only one difference between the Curt Trailer Hitch Receiver #C13176 and etrailer Trailer Hitch Receiver #e98909 that fit your 2020 Chevrolet Colorado, which is the finish. The Curt trailer hitch has a glossy black finish while the etrailer…