Ram 2500 domelight wiring question

I have a crewcab 2500
The kids like having the rear dome on so I replaced the stocker with one from a higher trim level that has a switch in it

Run a keyed hot to it and done, right?

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One my truck there was a ground on the left post, and a switched hot on the center (that on gets power when I upen the doors, or hit the button on the dash
The third post was empty, and goes to the switch inside the dome light

So, I added a keyed hot to post 3 and boon, let there be...

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Author: diymirage