Flashing Brake Light Mod

Just installed a flashing brake light module on my 2023 RS (LED lights). Only attached it to the upper (3rd) brake light. I used the x-1 module from timers.shop since it has a timeout/lockout feature and wouldn't keep annoying drivers in heavy traffic.

1. Programmed the X-1 module on my bench according to my preferences.

2. Removed plastic trim panel at the inside top of the rear hatch. It just snaps out.

3. Going into that LED housing you will find two "lines." One is the actual hose (black) for the wiper fluid. The other is a two-wire connection.

4. I cut the Brown w/ Yellow stripe wire. Leave the black wire alone.

5. Yellow wire from X-1 module goes toward the LED lamp assembly. Red wire from X-1 module goes towards the source (front of the car).

6. Black wire from X-1 module: drilled small hole for a ground screw.

7. I soldered and shrunk wrapped my connections, but you may want to think about using quick disconnects - to easily bypass in the future.