Tekonsha T-One Vehicle Wiring Harness Installation - 2020 Honda Passport

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How to Install the Tekonsha T-One Vehicle Wiring Harness on a 2020 Honda Passport

Ryan: Hey, everybody. My name's Ryan, and here at etrailer, we install, test fit and review a lot of different parts. That way, we can try to answer any questions those of you might have. That's exactly what we're doing today on our 2020 Honda Passport. We're going to be taking a look at and showing you how to install the Tekonsha vehicle wiring harness. With these Passports being really versatile SUV's, people use them to do a little bit of everything which does include towing.

That's where the wiring is going to come into play. You'll be able to hook up to your trailer and get those necessary lighting functions, not only to remain safe, but legal as well. You can also use the wiring for light up accessories. Some of you may use some cargo carriers or a step back here that has a light on it, and the wiring will power that as well.What's pretty cool about this kit is you can actually keep it inside of your Passport, out of sight and out of the weather when you're not using it. But whenever you are ready to use it, it's going to be really easy.

Let's open up our hatch. Come here to our floor cover, lift it up. The wiring can be stored in the compartment where you're not going to have to worry about anything happening to it. Whenever you are ready to use it, what you're going to do is just drape it over your threshold here. This is perfectly acceptable as long as you stay away from the latch.

But with that being said, you'll drape it over, close your hatch.You're not going to have to worry about the hatch pinching it or damaging it, or anything like that. It's set up to do that. And then we're going to have plenty of length here to hook up to our trailer or our light up accessory. Now, if you're somebody that uses your wiring a lot, or just prefer it to be mounted outside next to your hitch, you can do that as well. There's actually a grommet over here on the driver's side.

It's really easy to get to. You can push your connector through it and then get a bracket or something like that to permanently secure it out here. It's nice, you have a couple of different options on what you can do. That being said, I have a really nice dust cap, nice and thick. It's permanently attached to the connector itself so you don't have to worry about losing it.Not only is it going to protect those terminals from any corrosion. Well, let's say if you drop your trailer and plan on coming back in a couple hours, pick it up, you can also kind of loosely secure it around your safety chain openings there. That way, you don't have to put it back and everything else. Now, I do suggest, especially for those of you that are going to mount it outside to every now and again, just apply some dielectric grease to those terminals. That's going to help keep it protected and ensure that this is going to last and work for a very long time.One thing I really do like about this kit as well is the fact that it uses a module box. That module box is going to protect your Passport's factory wiring if it's short or an electrical issue we're to occur on the trailer side. To me, it'd give me a little peace of mind knowing my Honda's protected, and we're not going to have to worry about jeopardizing its complicated electronic systems. What I also really like too is the fact that this more or less, this plugs right into a factory connector. Honda did half the work for us. Tekonsha capitalized on that and figured we can plug it right in and give us trailer wiring. So it's nice and easy to get installed, and at the end of the day, a wiring kit, you really can't go wrong with. These Tekonsha's are very well-made, and the construction quality is of highest regard.With that being said though, why don't we go ahead and get inside our Passport and get this installed together. To begin our installation, we're going to be here at the back of our Passport, and we're going to be working inside so we'll open up our hatch. Once that's opened up, we need to remove our floor covering. Pull up on it and kind of work it out if it don't want to come out. Not a huge deal. You can always just kind of fold it up like that. That'll work out fine as well. Now, what we're going to do is remove this cargo compartment. At the very ends here, there's going to be some quarter turns, just one on each side. You just put that into the unlocked position. We can grab it.Lift up on it and set it to the side for now. Now, we can remove our threshold. First thing we're going to do, there's this little panel here that is around our latch, we're going to remove that. We'll take a small flathead screwdriver, just kind of pop that out. To get the threshold off, I'm just going to kind of pull up and along the way. That's just going to release some of the clips that's holding it in place. There you can see what some of those clips look like. Get this off. We'll set it off to the side. Now, right here in the corner on the driver's side, we're going to have a cargo hook. If you lift up on that, there's a little plastic cover beneath it. You can get a small pick or a screwdriver and pop that open. Underneath there, you'll see a Phillips head screw. We're going to pull that out.You can lift up on this and set it to the side. Moving up here, we'll have another cargo type hook. This is actually a cover. We'll take our pick and pop that cover off. Behind it, we're going to have a 8mm bolt that we need to pull out as well. Now, what we can do, this panel here, we can pull it away from the vehicle, and our factory tow package plug should be located somewhere behind it. If you start up here at the top, grab the corner of it. Going to just carefully work it out, releasing the clips. We're able to pull it out. Now, it seems like this wire here for our button that controls our seats to fold them down has some tension on it, so I'm going to release it. At the top, there's a small button you can push, and that will disconnect it. If we push our panel out, we're actually able to locate our connector plug, which is this one right here.Now, what we can do is grab our new wiring harness. One end of it is going to have a plug that'll match up with our factory connector. We'll simply just plug these two together. Now, we can grab our white wire with the pre-attached ring terminal, and we're going to need to ground that to the body of our vehicle. Well, it turns out we actually have a factory ground right there, and we're going to utilize that as opposed to having to drill a new hole into the body of our Passport. I'll take a 10mm socket and pull that bolt out. We can then take our ring terminal and that bolt, pass the bolt through the ring terminal, back through our factory grounds. And then just tighten it back down.Now, we moved into the engine compartments. We popped the hood. Right here on the driver's side, we're going to have a fuse box. We're going to remove the cover by squeezing these three tabs and lifting it off. We're going to take the included fuse and put that into this empty slot right there. Grab it, push it into place.Like so. Then we can just pop our cover back on. Now, before we put everything back together, it's a good idea to test our wiring to make sure that it's functioning properly. I'm using this little tester that you can pick right up here at etrailer. We'll go ahead and run through our signals. We'll try our left turn, our right turn, our brakes and our taillights. I went ahead and secured our wiring using some zip ties along this factory harness here. This is how it turned out. I will say, if you want to leave your four way connector stored inside of your Passport, just going to want to take the wire and kind of run it underneath of your panel like that.Now, we can go ahead and put everything back together. The side panel here, you'll kind of just line back up. That just snaps back into place. What you're going to want to make sure of when you push this down is you want the weather stripping to sit on the outside of the panel. You don't want it to get pinched in there. What I like to do is just kind of work my way down and secure the panel as I go. Whenever you go to put your cargo container back in, if you want to kind of hold up your 4 pole wiring, set that in place and just kind of run it up through here, through this little crack. That way, you can bundle this up and keep it stored inside of here whenever you're not using it. That'll finish up our look at and our installation of the Tekonsha vehicle wiring harness on our 2020 Honda Passport.

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Employee Jeff D
Video Edited:
Jeff D
Employee Joshua S
Video Edited:
Joshua S
Employee Ryan G
Test Fit:
Ryan G

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