Interstate brake light problem

[Formerbeast]

So, a test run of super valking my interstate went wrong. I removed the trunk and loved the look, but wasnt ready to commit so I put it back on. When I connected my trunk lights back up they came on and stayed on... Forever!  The two outside lights are on even when I remove the key and will stay on indefinitely. Checked voltage at the connector and I've got constant voltage on one wire. Ideas?

[Jims99]

I’m on my first interstate so not too  familiar with them yet. As far as I know there should not be a constant hot to the trunk at all. Maybe check to see if you pinched wires somewhere. Even if a brake light switch stuck the lights should go off with the key. Also maybe check the relays. On could be stuck in the on position. Probably a simple fix when you find it. Good luck.

[bootlegger]

Having just gone through this I made a schematic, crude as it may be, that may help.

A is the existing connection for the trunk under the side cover.  B is the new connector I built to make it more convenient to disconnect.

This is on a 1999 Interstate.

Maybe it will help.

My first time so if the image doesn't show I will keep working on it.

Cheers