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Custer Red Lens Trailer Tail Light Installation

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How to Install the Custer Red Lens Trailer Tail Light

Hi, everyone, Aiden here with and today we're gonna be taking a look at and showing you how to install this Custer LED trailer taillight. Let's get started. Like with any other taillight you're gonna get your standard functions. We've got our running light on right now. We also have your turn signal and your brake lights. You can see with just the running light on right now, it is quite bright.

We've got 20 individual diodes in here, so we're putting out quite a bit of light. That's one nice thing about LEDs is they are more efficient and generally can be much brighter than incandescent bulbs, not to mention they're just gonna last longer. So visibility with this one I think is going to be great on the road. We have a nice durable outer lens and the whole unit is sealed so it's gonna be waterproof. If you do plan on putting this on a boat trailer where it's gonna be in and around water, you're not gonna have to worry about any sort of water intrusion.

One thing I will point out is the grommet around the light here. That's actually how we're mounting it to this housing on our trailer, helping it sit nice and recessed in there. It's not included though. You will need to pick that up separately here on our website. But other than that, installation is gonna be really simple and straightforward.

Let's check it out. So once we have the old light removed it's pretty simple to get this new one installed. Like we mentioned before, it will need this extra grommet piece to install it. So, what we'll do is we'll just slide the light into that grommet, kind of push it in place. It'll see it kind of wrap around the back of the housing there.

It's gonna hold it in place. And then we've got our standard PL3 plug here and we've got the other end on our trailer. Now, if your trailer doesn't have this already you can pick it up here at But, otherwise, once you've got that, you can just plug that straight in and then we can tuck all the wiring up into this housing on our trailer here, and just push that grommet into place. Maybe a little bit of a tight fit for us just with the wiring we have here but you can start kind of at the top here. You'll see it kind of pop in like that. That seal will sit more flush around the outside, kind of flared out like this. And you can see now it's mounted recessed like that. Everything is nice and solid and we can test for function. So I've got our trailer plugged into a test box now, but your vehicle will do just fine. You can test our running lights, our turn signal, and our brake lights. Once we verified that all those signals are working then we can go ahead and hit the road. And that'll do it for our look at and installation of this Custer trailer taillight. Thanks for watching..

Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Aidan B
Installed by:
Aidan B
Employee Jacob T
Video Edited:
Jacob T
Employee John S
Video by:
John S

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