Install: T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector on a 2016 Dodge Journey

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Today our 2016 Dodge Journey we'll be installing the Tekonsha T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector, part number 118536. Here's what our wiring looks like once it's been installed. As you can see we have an adequate length of wire here to hook up to our trailer electrical connection nice and easy. It ends right next to where our draw bar for our hitch is inserted. This gives us our simple 4-pole flat, though it gives us all of our required lighting functions that we need by law. When we're not using it we have this nice dust cover that's built onto it, clips over like so.
Here's a trick though, if you want to secure your wiring so it doesn't get snagged on something, wrap that dust cover around your safety chain loop on your hitch. You can clip it back in here like so and it's easily accessible for whenever you need it, and you don't have to worry about it getting snagged on something. Here's what our wiring kit comes with. We have our module box here. This will give us an isolated signal for our trailer wiring from our vehicle lighting circuit. That way if our trailer has a short or it wants to back feed any voltage into our vehicle, it won't cause any damage to our expensive electrical components inside of our vehicle.
This wiring harness is made to work with the Dodge Journeys that have LED tail lights from the factory. If you have incandescent light bulbs, this won't work for you. We have other options available on our website for you. Right here we have our T-connectors right here. This will go over to our right side to give us our right side turn signal. Right here we have our left side connectors for our left side turn signals.
Then this smaller one here, this will go on our left side of the vehicle, this will give us our tail light function and our brake light function for our trailer. We have our industry standard 4-pole flat connector to give us all the lighting functions that our trailer needs as required by law. Coming off our converter box we have an input here which will be ran directly to the battery using this included spool of wire and our hardware kit which gives us a fuse holder and a fuse. This module will be powered directly from the battery so it doesn't cause any strain on your electrical components inside the vehicle. Then we have this white wire here which is our ground wire and we'll attach that with the self-tapping screw that's included in our hardware kit. To begin our installation by opening our hatch so we can get access to our tail lights Now there's two plastic clips right here over our tail light.
Using a trim panel tool to pry it off, or a flat head screwdriver, whichever you have. I'll grab our tail light assembly, pull it out towards us. We'll un-clip our turn signal bolt here and undo our tail light and brake light connector here for the LED section. Now we'll repeat the same process on the other side. Now we'll take our green wire connector for our passenger side, or our right side turn signal, we'll drop it down through the spot behind our bumper cover on the drivers side. It'll fall straight down the floor. We're doing this because our box is designed to be mounted on the drivers side of the vehicle. Once we have that done, we'll drop down our 4-pole trailer connector as well. Just want to do one at a time, that way they don't get tangled. Now we'll take one end of our black wire spool, strip off the insulation, put a yellow butt connector on it, crimp it on down, slide it over the black wire that's on our module, crimp it on down too, and we'll wrap this in some electrical tape. Grab the other end of our black wire, and we'll feed it on down behind our bumper cover, just like we did the other wires. Now we'll take the male end of our smaller connector here, this is for our tail lights and our brake lights, and we'll plug it in the female end that exists on the vehicle. It snaps in place. Grab our yellow wire here. This is for our left turn signal. We'll take the male end right here, and we'll plug it into the female end on the vehicle. Push it in, pull it back and make sure it's secure. Once that is, we're good. Now we'll take the provided self-tapping screw, place it over our ground wire here and on the sheet metal on the body. Once that's nice and secure, we'll have a good grounding connection. Once we're grounded right here, we'll take our module box, remove the double-sided protective tape off the back, so we can apply it firmly to the body of our vehicle. We'll stick it down behind our bumper cover, to come in at an angle to clear. This wasn't a good enough surface in

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Use heat shrink butt connectors...

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Great video! I just finished installing the Tekonsha harness and this video was extremely helpful. Thanks, eTrailer! You're my trailer hitch supplier for LIFE!