Fifth Wheel and Gooseneck Wiring Harness Installation - 2016 Chevrolet Silverado 2500

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How to Install a Fifth Wheel and Gooseneck Wiring Harness on a 2016 Chevrolet Silverado 2500

Today on our 2016 Chevrolet Silverado 2500, we're going to take a look at and also show you how to install the Draw-Tite 5th Wheel/Gooseneck Wiring Harness with a 7-Pole Connect. The part number is 20110. As you see here, that offers a 7-pole connector just like what we've have from a factory setup. It's got a stainless steel spring here that helps to keep our door down with the little tab here that holds our 7-pole plug into position so we won't have to worry about it disconnecting. Inside, they've provided a rubber gasket here that's going to help keep this sealed when not in use so we won't have to worry about all the dirt and debris and things like that building up inside. Now as far as locations go, you can pick anywhere you want. You've got a 7-foot lead so from where our plug is on the back of the truck, we're going to have a 7-foot reach.

You can go up if you've got like a slide-in camper, maybe a little further up on the side. We're putting ours right back here. This is going to be for our gooseneck trailer and it will be easy to get to and easy to plug it in here at the rear. We've checked behind this panel. We don't have anything in the way back there, any wiring or anything.

That's something we want to watch out for. It looks like our area here is going to be about 5 inches wide, so I'm just going to split the difference on that. I think if our plug is there, it's going to be nice. We won't have to worry about the curve here on the bed. It will sit nice and flush. I'm going to center punch that mark and then we'll use our 2-inch hole saw and make our hole.

Now we'll just vacuum up the shavings here and we can get our plug installed. We can take the single plug portion and we want to reach out from underneath the truck and pass that through our hole where we can plug in. What we're going to do is use a little bit of contact grease or some Dielectric grease here. This is part number 11755. This is just going to help prevent any moisture or any dirt or debris from getting in here and causing corrosion.

Line that up and we'll push it until you here that little click. You should be able to pull on it without it separating. We'll pass that right through, use our self-tapping screws here and get it secure for this. We're just using a 1/4-inch bit driver. Now we're going to route our connector right up over the frame rail right here towards the rear where our 7-way plug exists with our 7-way connector that we've got right here. You can see a small gray little catch here. We want to slide that out and just push on the small black tab here, remove our plug. We'll take the matching plug on our wiring harness here, put a little Dielectric grease, and that's going to slide right where we just removed that last one. We'll slide that in. You want to hear that little click and then you always want to pull on it to make sure you've got a good connection. Then we'll just plug the other side of our T-harness together with that factory plug after we give it a little grease. Press that little gray tab in and now we just want to use some of the provided zip ties and get everything bundled up here nice and neat. Now the excess that we've got, we're just going to bundle that and get that zip-tied off right there. We can go around that bracket. You might have to daisy chain a couple of the zip ties together or just get a longer zip tie, if you've got one. Now you're ready to plug in your trailer and run through your lights and test it. We're going to use our trailer tester here. The first thing we can check here is the voltage that's coming from our battery. You can see we're getting the 12 or 13 volts that we want out of it there. We'll start with running our clearance lights. We can do our left turn signal, our right turn signal, our brakes. You can see that we've got both the left and right turn signals lit up. We can check our backup signal. Then we can also trigger the brake controller and make sure that we're receiving the gain that we need there, the voltage and current that we need there. Now just to make sure, you will want to run that same test on your factory wiring plug to make sure it's still operating properly and if it is, that's going to complete our installation of the Draw-tite 5th Wheel/Gooseneck Wiring Harness with the 7-pole end, part number 20110 on our 2016 Chevrolet Silverado 2500.

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