etrailer | The Low-Down on the Adapter 7 Pole to 5 Pole Flat Wired Adapter

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Full transcript: https://www.etrailer.com/tv-review-op...
Randy: Hey guys, it's Randy here at etrailer.com. Oftentimes, our customers ask us for a solution to turn their regular working seven pole on the back of their vehicle into either a four pole or five pole flat. This is one of many options that we have here at etrailer. This one's from Optronics. Now, unlike a lot of the other ones that we have like this where the plugs are mounted pretty much right here on the back side of the plug, this is also going to give us an extension. Now, this is about 21 inches from this tab right here which is going to be about midway on your door to the end of the plug there, just to give you an idea.

It's going to give you a nice, long reach. This can be really important if the trailer that you are using has a short pigtail on it.If your plug, like on a Trailblazer, or a Toyota 4Runner, if it's way up underneath here and you need to get some reach back, or in lifted applications. A lot of times, you're going to have in a lifted truck, you're going to have a pretty deep drop, and the longer those get, the more and more length we need to get from our connector to the trailer.Now, basic four pole functions are going to be running lights, ground, left turn signal and brake, and right turn signal and brake. The fifth one that we have here, that's used a lot of times in marine trailer applications. That's your reverse signal.

As you shift your vehicle in reverse, that's going to send power through, and that can prevent a surge coupler from locking up. So as you're trying to back up, it'll back up smoothly. But customers also ask frequently if they can power some trailer lights off of it, if they can power some backup light. So as you get to your destination, you throw it in reverse, you'll have a lot of light behind you to see, and that's perfectly acceptable.Now, other than the extension portion of this, I think this is a really, really rugged adapter. Everything has been molded on, so we don't have any gaps in it anywhere.

This isn't going to be something that we have any concern about it over time, water seeping into it and causing us issues. I really like the way it's designed. It feels really good. If I had a need for this, then I would definitely own it, whether it was a short pigtail or if I had a lifted truck and I needed to get a little bit more reach. I do have a Trailblazer, and this would come in handy when I plug it underneath there.

I actually made my own. I didn't know this one existed or I would've just bought this one. It would've been easier.Now, as far as the installation process goes, it's no different than a standard seven pole. You're just going to slide this in so that the catch on the door fits in behind this tab. It's going to keep it nice and secured, prevent it from coming out. Then on the other end, we're just going to plug in our trailer. Now, one little tip; if your four pole connector is shielded, meaning that these pins are inside of a large, black plastic cover or that they don't stick out like what you see here, using that in a four pole application will require you to trim just the end of it off. You can see as this goes in, if that shield was in the way, it wouldn't allow it to slide down inaudible 00:03:12. So you might have to recess it for that. But as you can see, it's an excellent solution. It's going to give us the extension we need, be able to power a trailer and keep us safe.If this plug we're not to reach the back of your truck, or if you didn't have a working seven pole, with short distances, a lot of people just leave it off, and that makes a dangerous situation for us. Being able to see what a trailer's doing in front of you makes the experience a lot better. For anybody driving behind you, they know if you're stopping or if you're turning, so it is important.As far as customer reviews go, it gets really, really high reviews and kind of some of the things I said, just how sturdy and how good quality it feels is really important. Some of these adapters can sometimes feel a little bit more flimsy. Although they do the job really well, they just don't feel as high a quality as what we have here. Now, with any plugs like this, we always recommend dielectric grease. This is available on our website if you don't have it. Just want to put it on each of the connection points there. That's going to keep moisture out. We don't have any moisture in there, we don't have dirt holding, we're not going to have any corrosion.The one sli