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Tekonsha T-One Vehicle Wiring Harness Installation - 2020 Ford Escape

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How to Install the Tekonsha T-One Vehicle Wiring Harness on a 2020 Ford Escape

Hey everybody, Ryan here at etrailer. today on our 2020 Ford escape, we're going to be taking a look at and showing you how to install the Tekonsha custom fit vehicle wiring harness. The wiring is going to easily allow us to hook up our trailer to our Escape. That way we can have all the necessary lighting functions on the trailer, not only to be more safe, but legal as well. And something that a lot of people don't think about, is a lot of times, especially nowadays, a lot of these hitch mounted accessories, like cargo carriers actually have lights on them. And many of those times the connector is a four way flat connector.

So if you have any of them accessories or, maybe plan on picking one up in the future, you're going to have your wiring here to be able to hook up to it and use it correctly.Something I do like about this wiring is that it's going to give us a couple of different options as far as where we want to mount it. Our customer today plans on doing quite a bit of towing, and so he opted to have it permanently mounted outside here on the hitch, where he can get to it really easily all the time. But if you only do a little bit of towing every now and again, the wiring can also be mounted inside of your Escape in the spare tire storage compartment. That way it's out of the elements and out of sight. Now, if you do plan on mounting yours like this permanently outside, even though we do have a nice thick rubber dust cap to help protect the terminals, I do recommend from time to time is to apply some dielectric grease just to really help prevent any potential corrosion.So probably one of the most important things with this kit is the fact that it uses a module box.

And what that module box is going to do is protect your Escape's factory wiring if a short or an electrical issue we're to occur on the trailer's side. And that's really important, especially on today's newer cars, particularly the hybrids that have a lot of really advanced electrical systems that are complicated, and you wouldn't want to do anything to jeopardize that. And with the module box, you're not going to have to worry about anything happening.Now, as far as the installation goes for the wiring, it is a little bit time consuming, but pretty straight forward. We don't have to cut into any factory wires or nothing along them lines. Pretty easy to figure out.

To begin our install we're going to be working here at the back of our Escape. So we went ahead and opened up the hatch. And what we're going to need to do is remove some of our panels. First one being the floor covering. This just lifts up.

We can set off to the side. And then since our battery is located here in the back, we're eventually going to need to run a wire to it. What I'm going to do is just get our spare tire out of the way as well.This little screw comes off. You can just pop that out. And then here on the passenger side, I'm just going to lift up and remove this foam storage compartment. Now we can remove our threshold here. And so on the inside, on each side, we're going to have a seven millimeter screw. We'll pull that out. Then we can move to the fasteners here on top of the threshold. The fasteners are going to be underneath these cargo hooks. So we fold the hook up, take a flathead screwdriver, pop that cover up. Underneath that cover, we will have a T 25 Torx bit screw. So we'll pull each one out.Same way. And pop it up. Pull it out. Now at this point, we should be able to lift up on our threshold and pop it loose. So if you grab the bottom, pull towards the front and up, it'll release the fasteners and we can set it off to the side. So just looking at our setup here, we're going to need to pull this trim panel back, and I don't want our jack or this foam compartment to interfere with us doing that. So to be on the safe side, I think I'm going to pull our foam compartment out and just remove our jack as well.So for our side panels, if you just grab our weather stripping, just along this edge here, we can peel it back and we get behind it. We can carefully start to pull it away from our vehicle here. So it should pop out like that. And once we have it in this position, we're going to have more than enough room to work inside of here. So I'm going to let this one hang for now and do this same thing over on the other side.Now back over here on the driver's side, we can locate our factory tail light connector, which will be this plug right here, and we're going to disconnect it. That way we can plug in our new T connector. So there's going to be a tab here in the center, push down on it. Then you're able to pull the connectors apart, if we grab our new wiring, and we're going to be working with the side that has yellow, brown and white wires. One end of the connector will plug into one end of the factory connector. And then the other end will simply just go to the other side of the factory connector. So just tease right into it.Our T connector side with the red, green and white wires, that's going to plug into the passenger side. Just want to bring it over to here. And it's pretty much the same concept except our plug, our factory connector is going to be up here. They will unplug the same way. Push down on that center tab, pull the two apart, and simply just plug V2 into our T connector.So I went ahead and secured our module box using a couple zip ties, just along some factory wiring here. And from there, we can take our white wire coming from our module box with the pre-attached ring terminal, and this is going to be a ground wire. So we do need to secure this to the body of our vehicle. And so what I think I'm going to do is just ground it out right down here in this corner. I pulled this grommet open, felt underneath there to make sure we weren't going to drill into anything. And it's all clear. So we can take the included self tapping screw and get it secured.So I went ahead and secured our red and green wire that runs over to the passenger side. And since we didn't really have nothing to zip tie it to, what I did was just use some packing tape and taped it all the way across the whole threshold. Just goes all the way along, up to the other side into the corner. I did have a little bit of extra wire that I secured to this bundle here, all the way up to our plug. Now we can grab the black power wire that's coming off our module box. And what we're going to do is take one of the butt connectors. That's going to slide over the bare end of the wire. We're going to crimp that down.And then we can grab our big bundle of black power wire. We're going to put it into the other end of the butt connector. That way we can run it to the battery. So if you grab her big bundle of wire, to make it easier to work with, since our battery's only a few feet away, I'm just going to cut a lot of it off and give us maybe a four or five foot piece to work with. So the way this works, is we'll strip back the insulation on that end, put it in the other end of the butt connector and we'll crimp it down.And if you grab the other end of that wire, we're going to strip that back as well. And what we're going to do is grab our fuse holder and connect the fuse holder to the end of the wire. So we can strip that, peel back both ends of the installation. And I can go grab our butt connector and ring terminal and get it hooked up. Take our butt connector, put it over the power wire, crimp it down. And if we grab one end of our fuse holder, connect those two together.The other end of the fuse holder, we're going to grab the included ring terminal, and crimp it on that end. Now here at our battery, since we'll have to hook our fuse holder up to the positive terminal, we're going to need to remove this metal cover, and that'll give us a lot more room to work. So on each side of the cover, we're going to have two 13 millimeter nuts that we'll need to remove. Get them out of the way. Should be able to lift up on our cover and set it off to the side. Here's our positive terminal. Again, another small cover on it. Try to pop that up.Usually these things just pop off here. This one looks like there's a couple tabs you might have to push in. So I just push these down and pull these out and that freedom. And we're going to have a couple of different options here as far as where we want to hook our fuse holder up. So what I think I'm going to do to potentially avoid having to tap into this fuse or anything like that. I think I'm going to remove this nut right there. Slide our ring terminal over it and re-secure it. So I grab a 10 millimeter socket, loosen that nut up, take our ring terminal, slide it over. Now I want to mention before you actually put your ring terminal to the power here, you want to open up the cab and make sure your fuse is not installed. That's going to be the very last thing we'll do. That being said, slide that over and position and tighten that nut back down.So with that hooked up, we can reinstall our little cover as well as our large metal one here. So now at this point, we go ahead, grab our fuse, put it in the holder, close the cap, and I went ahead and just used some electrical tape around our butt connector here. This connection point. Secured our wiring the same way we did our red and green wire. Just some packing tape all the way over. And again, just use some electrical tape to help keep this connector protected as well.Now, at this point, what you would do if you plan on keeping your wiring stored inside of your Escape is just take your wiring and place it out into the spare tire compartment area and put all your panels back together the opposite way that we removed them. Our customer wants the wiring to be permanently mounted outside next to the hitch. And so we're going to do something a little bit different as opposed to keeping it on the inside. So we're going to route our wiring down to the outside. I'll close up the cap and I'm going to use this factory grommet right here. If you pull that up, it's going to be a nice, big opening, more than enough room to get our connector in. So I'll feed that all the way down, and I'll push all the slack out of it.And what I'll do is come back with a pair of scissors or snips, put a small cut in the grommet. That way or wire can slide through there and we can keep everything sealed and protected. So I went ahead and used some of this silicone to seal up the slice that we made to run our wire through in the grommet. And if you need some of this, you can pick it up here at etrailer. So now underneath of our Escape on the driver's side, you have this little black cover here. You peel that back. You can see where our wiring dropped down. So I'm going to grab it, pull it completely out. And what I'll do is take our four way flat connector, run it over to our hitch, where we're going to mount it up and then I'll show you the path that I took to get there.So I went ahead and routed my wiring. Just drops out along through here, up and over the front side of my hitch and it drops down right here to the bracket that we used to mount it. Now the bracket is not included, but if you need some, there's plenty to choose from here at etrailer. And don't forget when routing your wiring, you want to do your best to avoid any hot or moving parts. Now, before we put all of our panels back together, it's a good idea to test our wiring, to make sure that it's functioning properly. I'm using this tester, but if you don't have one, you can always just plug into your trailer and do it that way. We'll go ahead and hit our left turn signal, our right turn signal, our running lights and our brake lights. Since we verified everything is working properly we can reinstall our panels and put everything back together, the opposite way that we removed it. And that'll finish up our look at and our installation of the Tekonsha custom fit vehicle wiring harness on our 2020 Ford Escape.

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Info for this part was:

Employee Joshua S
Video by:
Joshua S
Employee Kathleen M
Installed by:
Kathleen M
Employee Chris R
Video Edited:
Chris R
Employee Ryan G
Test Fit:
Ryan G

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