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Trailer Connector Socket Installation - 2015 Chevrolet Silverado 1500

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How to Install a Trailer Connector Socket on a 2015 Chevrolet Silverado 1500


Today on our 2015 Chevrolet Silverado 1500, we're going to show you how to install the Hopkins Pullex seven and four pole trailer connector socket with mounting bracket. This is the vehicle side. Part number is HM40975. Here's what the plug's going to look like before we install it. Very similar in shape to the plug that already exists in the rear of our truck. It's held in place using the two clip pins. Very simple OEM exact fit application.

We're just going to slide this in. It's going to click into place, and we'll have our wiring right there where we need it. On our one side we've got the four pole standard connector. The other side is seven pole standard connector. Now if your vehicle has brake controls, your trailer requires the brake controllers, or 12 volt power, or even the backup lamp where it comes on, it will shut off your brakes. That's going to be this side for you.

If we switch over to another trailer that doesn't have that type of equipment, or just has the standard four pole on it, we'll be able to plug right into that. Nice easy transition. No adapters required. We're not going to have to worry about keeping them in the car, and then converting it from a seven pole down to a four pole or anything like that. So it's a nice, easy solution so you don't have to worry about losing or misplacing an adapter.

You've got everything you need right there. Now inside the covers, you have a nice rubber gasket there. You can see the small line created on it. That's going to go in and makes contact with that slightly raised edge all the way around to give us a nice water-resistant, weather-resistant closure. Then we've got our steel pin inside there with the springs on it to help keep those covers closed as we're heading down the road. Now that we've gone over exactly what it's going to do for us, and how it's going to help us, let's take a look at how to get it in the vehicle. Here on the back side of our license plate area, just to the driver's side, we're going to have our plug.

Right here on the side of that, we're going to have a little push pin right here. What we're going to do is push that in and wiggle it to release it. We then squeeze the metal clip in that's on each side. That will allow us to pull our plug right out. The new one goes in just the same way the old one came out. Then we'll just take our plug end, slide it right on. You want to listen for that little click, and then give it the push pull test to make sure we've got a good connection. Now it's also a very good idea to add some dielectric grease. Now, the dielectric grease here is part number 11755. We just put that around on each of those connectors there. That's going to keep some of the moisture, and stuff from getting in there. It really helps to prevent corrosion. Also, dirt, debris, and things like that won't be as apt to get in there and cause any issues. Click that in place. Give it a push pull test. Wiggle it around. Get that grease really spread around. Make sure our connections are nice and solid, and that's all there is to it. Now we're going to run through a test and make sure to start with, that the seven pole side of our connector is working as it should. This is just a mock trailer that we've got set up here. We'll first start by having our partner turn on the running lights, or the clearance lights. Gives us a nice, strong steady signal. We know we're getting that through. Next, we'll have him turn those off, and turn on the left turn signal. That's going to give us a good flashing signal. Next one we'll check will be the right turn signal. Perfect. Working as it should. Now when we hit the breaks, we should have the right and left turn signal come on solid. Perfect. Everything's working just like we want it to there. Let's go ahead and test out our four pole side. For the four pole side, we'll use a ground underneath the truck here. The exhaust pipe usually works out pretty well. Then we'll start by testing the running lights on the truck. Now that should give us a constant signal on the first female post. Perfect. Next one we'll do is the left turn signal. That should give us a flashing signal on the one here, second from the left. All right. Now our right blinker should be the one on the end here. Perfect. Now to test the brakes, we'll have him apply those, and that should give us a constant signal from both on the left. All right. Perfect. We've got everything working the way it should. Ready to plug in our trailer, and we can have great confidence that those lights are going to work for us without issue. With all of our connections working properly, that's going to complete today's installation of the Hopkins Pullex seven and four pole trailer connector socket with mounting bracket for the vehicle side. Part number HM40975 on our 2015 Chevrolet Silverado 1500. .


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