etrailer | Curt Powered Tail Light Converter Installation - 2019 Honda Civic

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Shane: Hi, I'm Shane with etrailer.com. Today you're going to be taking a look at, I'm going to walk you through the installation on the Curt Multi-Function Tail Light Converter Kit on our 2019 Honda Civic. Any wiring like this is going to give you all the proper functions to safely tow our trailer. It's going to give you your running lights, your brake lights, and both turn signals. This wiring harness is designed to live inside the vehicle. When you're ready to use it, you simply lay it over top of the rubber seal here, close your hatch, plug into your trailer, and you're ready to go.
When you're not using it, you simply roll it up and you can store it in an out of the way place inside the back of the car.It's going to give us five amps per circuit for our turn signals and 7.5 amps per circuit for our taillights and our running lights. It's also going to come with a nice dust cap that'll help protect our connections from any dirt and debris while we have it stored inside the vehicle. Now as far as the installation, there is a little bit more involved with this wiring harness because you have to tap into factory wiring. With that being said, it is going to have a converter box on it, that converter box is going to protect the factory wiring from any back feed from the trailer wiring if there's an issue.The converter box amounts inside close to where you connect to the wires. The whole inside of the converter box is filled with a potting material, so if the converter box happens to get moved around or it gets a vibration to it, the wires that are connected to the circuit board are going to stay intact, they're not going to break loose like they used to.To start our installation, we need to open our hatch and we're going to remove some floor coverings in here.
Our centerpiece, we just lift up and we're can set it in just like that. Right here in the back, the threshold, we're simply going to pull. Pop it up like that and we'll set it aside. Over on the driver's side. Turn that little knob, pull this panel off.
I'm going to go ahead and pull our jack out in order to set it aside for now. If we come right up here on top, there's going to be a little bitty cap, take a small pick or a trim panel tool, we're going to pop that cap open. There's going to be a small Phillips screw in there. Go ahead and remove that. We're going to have one on each side.We're going to take our panel, and pop it out just like this.
What we want to do, is right here, you have a rubber grommet. We want to gain access to these wires right here. These are the wires that are going out to your tail lights. We're going to have a fastener right here. Take a flathead screwdriver, trim panel tool if you have one, we're going to pop that out, just like that. We're trying to give ourselves as much room as possible to these wires going right into that rubber grommet. Now I'm going to very carefully cut this tape back.Now what we're going to do, is we're going to remove our taillight. We're going to have two Phillips head screws, you're going to have one here and one on top. Pull those out and then we'll very carefully get our taillights to pop, just like that. We're going to test the back of our switches here and determine what wires do what functions.Instead of probing each one of the wires inside, because there was a bundle of them, the reason I took my tail light off is I had somebody sit inside, run through the light functions and all I did was take the plug off and actually probe the end of it. I determined that my green wire, that green wire there, is going to be my brake signal. The larger gray wire up here is my running light signal and the smaller gray one down here is going to be my turn signal.Now, I went inside, I found those three wires that matched these. I did go ahead and test those three wires again just to make sure there's not something between here and there that changes and it doesn't. My three wires I found on the inside, so now we can go ahead and put our taillight back in place. As I mentioned, green is going to be our brake light. You can see the two different sizes in the gray wires. This one's a little bit smaller. The larger gray ones are going to be the running light and the smaller green ones are going to be our turn signal.Rather than taking our wire and going all the way over to the passenger side and taking all this out over there also, along with the taillight, these wires run from here over to the back of the taillight. We determined that our green wire, the same as the green wire here, is going to be our brake light signal on both sides. The large gra