My control panel on my Voltage toy hauler is setup so that the labels are etched from behind the fiberglass panel. This makes it viewable with daylight but at night they are hard if not impossible to see.

To fix this I  added a cheap LED light strip on the wall behind the panel and wired it to the step switch.

Here is the before and after result.

Now you’ll notice that some of the labels aren’t perfectly lighted. This is due to the myriad of wires blocking the light. I plan on putting another light on the right side next that should remedy this

Total cost – about $10