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Tekonsha T-One Vehicle Wiring Harness Installation - 2017 Honda Pilot

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How to Install the Tekonsha T-One Vehicle Wiring Harness on a 2017 Honda Pilot


Hey everybody, how's it going Today, we're gonna be going over and showing you how to install the Tekonsha T-One Trailer Wiring Harness here on a 2017 Honda Pilot. So the trailer wiring harness is gonna be one of the few things that you need in order to successfully tow a trailer here with your Pilot. In addition to this, you're going to need a trailer hitch, as well as a ball mount/hitch ball. All of which we carry here at Etrailer. Now our trailer wired harness, simply put, is gonna transfer the taillight signals from the vehicle to our trailer. So we can let other motorists out in the road, know what signals are gonna be making, allowing us to arrive to our destination, safe and sound.

This is not only a safety issue, it is a legal requirement in every state. Now this is gonna to be a 4 pin, also referred to as a 4-way flat trailer connector. So we're gonna have our 4 pins inside here. So this is gonna transfer all your basic lighting functions. So the 4-way flat, as we said, is probably gonna be the most common type of trailer connector on the market.

And more than likely, the one that you're gonna be using. Now there is another one that's sort of standard and that's gonna be a 7-way or a seven blade. These are gonna be required for larger trailers that have electric brakes. So in which case, you'd actually need a different trailer connector. But for everything else, this 4-way is gonna work great to carry over all those basic lighting functions.

Now, in regards to installation, this kit here does plug into a factory tow package port on the vehicle. This does a couple different things for us. Number one, it makes for an extremely easy installation. Number two, it's gonna provide us some safety and security. We don't ever have to worry about issues with the lights on our trailer affecting the lights on our vehicle.

Everything is gonna be separated out on its own circuit. So now that we've gone over some of the features of this wiring kit here, let's show you how easy it is to get it installed by yourself. You don't need any specialized tools or anything like that. Your kit is gonna come with pretty much everything you need. Give yourselves around 30 to 45 minutes, depending on your experience level. Let's go ahead and jump into the installation now. So we can show you guys step-by-step, giving you the confidence to do it at home by yourself. So the first step of our installation, we need to open up the rear hatch on our vehicle and remove the floor paneling here towards the rear. So just pull up and then slide out. We'll just go ahead and throw that back here in the vehicle for now, and now we're gonna need to do two things. We're gonna need to remove this bottom panel here and this top panel up here. So sometimes, you can reach in there with your finger and pull out. Other times, it would require an actual screwdriver. Now we're gonna be reaching back towards this side of the panel here, and we're gonna be looking for our connector that's gonna match the plug on our harness. Now I did these pilots a couple times now and I can't say one time where I was able just to reach up there and pull the connector out as the instructions specify. So, if you guys can do that, great. It's gonna skip a couple steps here. But if you guys can't find ours like mine, and like the times I've done this before, we're gonna go ahead and remove a couple more panels. Basically, just peeling this section back to reveal access to that connector. We're first gonna start by removing the threshold panel here. This may require a trim tool. A lot of times though, you get a good enough grip, you can just grab it on the other side, and pull it straight up and out. Next, we're gonna get a very small Flathead screwdriver, and we need to remove a cover here behind the cargo hook and a cover up here. So easiest way to do that is with a small screwdriver. You're gonna pop the cover off, just like so. And that's gonna reveal a bolt up there. And then for the bottom one, we'll need to do that same thing. It's gonna be a little bit different to get that off. There we go. So this is actually a Phillips. This one up here is a Hex. So I'm gonna grab a Phillips-Head screwdriver. I'm gonna remove the screw on the bottom there behind our cargo hook. This should come out, and then I'm gonna switch over to an eight-millimeter socket. Next, we're just gonna pry back on this panel here, along the outside edges. And then we're gonna look back in here for our connector. So if we look behind this panel here, if I reach in there, I can see a tow package plug and it's right there. So it's gonna be more upwards on this panel. And it would be pretty hard to reach that, reaching into that little cubby-hole that they specified. So I do recommend taking a little bit of extra time just doing these few extra steps, that way we can easily access our tow package port. Now, if you want to, and you're careful enough, you can go ahead and cut the tape attaching this to the existing wiring harness to give you a little bit more room to work. Next, we're gonna grab our wiring harness here and you'll notice that there's two plugs on your wiring harness. So this is the main one that's gonna match up with the plug that we just revealed. There is an extra one, however, with a singular blue wire. So this isn't gonna be used on every Pilot. I believe this is only for Honda Pilots that have the reverse sensors in the bumper. So if you do have those, you'll need to go ahead and plug this in. There'll be a matching connector somewhere around where that other tow package was. So just go ahead and make those steps. But our particular model does not have those sensors there. So we're just gonna be plugging in the main connector. So now that I've got that connector pulled out a little bit better, so you guys can see it. These are only gonna plug in one way and you should hear 'em click when they're locked into place. Now, if you guys don't have reverse sensors, you don't have to do this. But to make it a little bit cleaner, I'm gonna go ahead and tape up that extra connector there with the blue wire just to the harness here. So it's not flapping around or getting tangled up in anything we don't want it to. Next, we're gonna secure our converter box. So in your kit, you're gonna get a pad with double-sided tape. You're gonna go ahead and just stick that on the back of the converter box, like so, and peel off the other side. And then we're gonna find a nice flat metal surface behind this panel to attach our converter to. We've got some open space towards the top here. So, just gonna attach it right back there. And you also wanna make sure that your panel can close with the converter in the location that you choose. Next thing we're gonna do is, we're gonna attach the white ground wire coming from our converter box there. It's already got a ring terminal crimped on the end. We're gonna be using the self-tapping screw that comes in your kit. We're just gonna find a metal surface up here behind the body, now you'll see. But I've already went ahead and drilled a pilot hole 'cause it can be kinda hard to drill the screw through while you have the ring terminal attached. So now the only thing left on our harness here, is the actual 4-pole which has a rubber grommet attached here. So we're actually gonna look down here behind the door to remove the jack storage from. And if we look back in there, there's gonna be a rubber grommet in the floor that we need to remove. So I'm gonna take a trim panel tool, go ahead and pry that out. So once we have that grommet removed there, we're gonna take our wiring harness and I'm gonna feed it back through that hole there. So if you guys secured it behind the panel, you are gonna have to route it over there to where your jack door is. So we mounted our converter box a little bit higher. So our grommet isn't gonna quite reach that location there, that they have outlined for us. That's totally fine though. We're just gonna actually pull the grommet back down on the wiring harness a little bit more. As you can see here, it's pretty easy to do. This does mean however, that we're gonna have to trim some of this wire loom but that's really not a big deal. So now that we have our grommet slid down a little ways, we're gonna continue routing the connector and grommet down to that opening that we revealed earlier. So we're gonna first start by stuffing our connector down there. Well, it is a pretty tight fit there with your trailer connector. Once we get that passed, we'll go ahead and just begin feeding the rest of our wires down. You're gonna go ahead and seat it there in the opening. So we've got all of our installation done inside the vehicle. So now, I'm just gonna take some time and I'm gonna reinstall all the panels that we removed previously. Next we're gonna come underneath the vehicle here. We're gonna route our trailer connector to where our receiver tube opening is. So in your kit, you're gonna get some zip ties. You're just gonna use these to secure the wiring up underneath the bumper here, so it's not falling down and dragging. So now that we have our trailer connector routed over here where we want it, most of you guys are just gonna be securing it to the safety chain loops on your trailer hitch using the dust cap, just like that. However, our particular hitch has a built-in trailer connector bracket. We went ahead and added this separate bracket that goes along with that. So you're gonna mount it like so. This is a little bit of a cleaner install and you guys do have this option here, depending on your trailer hitch. It does take a series of brackets in order to accomplish this, but just attaching it to a safety chain loop on the trailer hitch is perfectly fine. It works just as well. Now to finish our installation, we have a couple fuses we need to install in the fuse box in the engine bay over here on the driver's side. It's gonna be located right on that firewall there. Three clips holding the cover in place, go ahead and pry those off. The first fuse we're gonna be installing is the 30 amp for the trailer main, located in the number two slot here which you can verify on the underside of the fuse box cover. But that one is just gonna pop into there, press it all the way down to lock it in place. Next we need to locate fuse positions 11 and three which are here and here. We're gonna go ahead and take our 20 amp fuses and install those into those two locations. Once we get those installed, we'll go ahead and reinstall our cover. Now we can test out all of our wiring to be sure it's working correctly. Now we'll go ahead and run through all of our signals here. First, we have our brakes, left turn, right turn and then finally, our running lights. So there we go. Now we know everything is hooked up and working correctly. If you guys run into any issues, verify those fuse locations and your converter box fuse as well. And now with no issues detected, that's gonna do it today, for our look and installation of the Tekonsha T-One Trailer Wiring Harness here on our 2017 Honda Pilot..


Info for this part was:

Employee Joshua S
Video Edited:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Chris R
Video Edited:
Chris R
Employee Cole B
Installed by:
Cole B
Employee Shane H
Test Fit:
Shane H
Employee Robert C
Test Fit:
Robert C
Employee Conner L
Test Fit:
Conner L
Employee Ryan G
Test Fit:
Ryan G
Employee Jonathan Y
Video by:
Jonathan Y
Employee Thomas T
Video by:
Thomas T

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