etrailer | Curt T-Connector Vehicle Wiring Harness Installation - 2021 Volkswagen Tiguan

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Hey everybody, Ryan here at etrailer. Today, on our 2021 Volkswagen Tiguan, we're gonna be taking a look at and showing you how to install the Curt trailer wiring harness with a four-way flat connector. So, a lot of our Tiguan customers, you know use their SUVs to do a little bit of everything, and it makes sense, you know these are really capable. And so that does include quite a bit of towing, actually. And whenever you're pulling a trailer down the road, you know you want those lights to work like they should. That way, people can see you, it'll keep you safe, and keep you legal.
And so a trailer wiring kit like this is going to get that job done. It's going to plug into your trailer, get all those lights illuminated and keep you safe. But not only that, a lot of hitch-mounted accessories nowadays have lights on them too, kind of a popular thing that we're seeing more and more of. And a lot of those are gonna have that same type of connector. So, this will power those up as well.
It's gonna have that four-way flat connector, super common. A lot of different trailers and everything else will have this type of connector on there. And today, we have ours mounted outside, so I used a bracket to mount up to our hitch. Keep it out here, that way, it's easily accessible. Something I recommend doing especially if you plan on using it a lot, but the good news is too this can also be stored on the inside of a vehicle out of the elements, that way if you only use it every now and again, you know you're not going to have to worry about, you know this staying outside.
Something I do suggest though, so regardless of where you store it, just apply some dielectric grease to those terminals every now and again, that'll help keep them protected and prevent any corrosion from building up. There is something that I do want to mention and something we definitely want to check to make sure this wiring kit will work with your car. So if you pull this little panel down you can see how to do that here in a minute during the installation video but you want to locate your factory connector and look at the wires there. So in our case, this Curt wiring worked with this type of setup. So it has three wires.
If you're wondering we tried the other kit that's available the Tekonsha kit, and that did not work and chances are pretty good, if your wiring connector has a single red wire the Tekonsha kit will work with that one, and the Curt kit will work with this setup. So something I figured was worth mentioning and something you definitely want to check on your own Tiguan before you choose a specific wiring kit. But other than that, you know, a pretty nice kit. These things are well-built and should hold out for quite some time. And if you want your trailer lights to work on something you're definitely going to have to do. Now as far as the installation goes, really not too bad, remains relatively easy to get to. This is a little time consuming though just having to route all the wires and things like that but I'm going to stay focused. Really shouldn't give you any issues. Speaking of which, let's go ahead and put it all together now. Begin our installation, we're going to be here at the back of her Volkswagen and we need to remove our floor coverings. So with these, you can just lift them up, pull them out and set them off to the side. Now we can get this threshold removed and out of the way, what you're going to do is start on one corner and take a trim tool like this and just kind of pry up on it, moving it along. And what you're trying to do is release some of the fasteners underneath there. So that's what those fasteners look like. So once this pops out, set it off to the side. And we're also just going to grab this foam tray with some of our tire tools and get this out of the way as well. Now on each side of our vehicle, you can remove these trays, these just pull right up, set them out of the way for now. Right up under here, we're going to have an access vent more or less, we can remove that, that way we can get access to the back of our tail lights where the connector is just take a trim tool, flathead screwdriver or something like that. And just pry down on it. We'll release. We'll do that on each side. Now what we need to do is kind of loosen this side panel up a little bit. That way it'll be easier to kind of get our wires up in here and everything else. So what you're going to do is again take a trim tool or a flathead and there's kind of several clips that are behind here. And pretty much just like the threshold you can kind of just work your way along there. And get this r