Hi, I'm new around here but was hoping you guys or gals might know the best place in the trunk lid to tap into for a brake light. I bought a spoiler for my wifes 09 LE Corolla and put it on but am having a hard time finding a decent place to run the brake light wire without having to run it out of the lid and down to the brakes. It looks like there are a few wires up in the trunk that aren't attached to anything but I can't figure out where they go. Any ideas?

If you look for the brake light... meter the 2 wires coming of the brake light. One of them will read 12 volts when the brake is pressed. That is your brake light.