Convert neon tube lights to LED tubes

Chris, I'm frankly puzzled. I've never heard of neon tubes used for lighting in trailers. Are you certain they are neon and NOT florescents? A florescent tube will have an opaque glass surface and will emit a white light when lit. And, it will often employ a starter ballast.

Edit: OK, I just looked up T15T8 and they ARE florescents. Follow the steps below.

If that's what you have, and you want to install a complete LED fixture (not just a bulb), you would simply remove that ballast, since it is not needed, and connect the two wires that feed it directly to the two inputs for the LED fixture. You will probably find that one of the wires in the trailer power supply is white, that will be the ground (or negative wire) the other wire is the positive feed. Your LED MAY be "polarized", meaning you will have to connect the positive feed to the positive input side and the ground to the negative side. If the light doesn't light, simply reverse them.

An LED fixture will have the needed components to reduce the 12V DC voltage to the level needed by the LEDs.

- Jack

Thank you Jack & Janet,
I just received my LED tubes from Amazon. I will try to install them this week. There cool white, is not the colour light I ordered but I will try them anyways. Thanks for the feed.
I notice that You guys are really active on here it's really appreciated.
Take care for now!
I will let you know how it turned out.

I install the LED TUBE that I received from Amazon and the work great.
Really happy so far with the price.