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Wesbar 4-Pole Flat Connector with Jacketed Cable Installation

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How to Install the Wesbar 4-Pole Flat Connector with Jacketed Cable


Today on our trailer we're going to be installing the Wesbar 4-flat connector with the jacketed cable in 8 foot long, part number W787268. We'll also be using the Deka heat shrink butt connectors in the blue color, part number DW05744-5. Now here's what the new 4-flat jacketed cable looks like with the 4-flat end. We have our four wires on the end here. We'll be tying this in with the 4-flat wiring that's already on this trailer. To do that we're going to be using these heat shrink butt connectors. To begin with we're going to go ahead and rout our wire here along the trailer tongue.

Here's our end of our new 4-flat. Here's the 4-flat wiring for the trailer. We're going to need to add a small section of white wire to add a ground to ground the wiring to our trailer itself. Now we'll need to strip back a little wire from each end of the wires. The brown wire is our running or taillights.

Green wire is our right turn and brake. The yellow wire is the left turn and brake. The white wire is the ground. Go ahead and strip some wires back here on the trailer wiring. Now that we have the wires stripped back we can add in our heat shrink-style butt connectors and crimp them down. Now here's our white jumper that we're going to use to ground our wires to the frame.

Now if you already have this on your particular trailer you will not need to add this in, of if each of your lights is grounded individually you'll be okay too just by tying in. I know this trailer, all the lights are into one ground, so that's why we're going to add an extra ground wire here that we'll be connecting to our trailer. Once we have all of our connectors on we'll go ahead and take our heat gun and seal up the heat shrink connector. If you don't have a heat gun, a cigarette lighter will work. Just be careful that you keep it moving so that it doesn't burn the wires. To help give our wires a little more protection here we'll go ahead and tape up our connectors.

We'll then need to go to our jumper here that we made for the ground, strip some wire back. We'll then be adding a ring terminal to the end of that, and we'll be attaching the ring terminals to the frame of the trailer using a self-tapping screw. Thats all there is to the installation of the Wesbar 4-pole flat connector with jacketed cable in the 8 foot long length, part number W787268, on our trailer. .


Info for this part was:

Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video Edited:
Dustin K
Employee Cole B
Installed by:
Cole B
Employee Adam E
Installed by:
Adam E
Employee Chris R
Video by:
Chris R

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