Brake light switch

[Trukkee90]

I'm trying to install a Roadmaster brake light relay in a 2022 Gladiator Mojave. Has anyone done this? I'm trying to locate the correct brake light wire from the switch.

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[Hootbro]

Because of the Start/Stop system, there is a "Brake Pedal Travel Sensor" that measures through resistance the brake pedal position and is not a simple on/off circuit.

If you are wanting a clean brake light circuit, I would tap into the CHMSL output coming off the BCM.