Pro Star TC issue

[AMPMChatt]

Good Day gents. I have a question about a 2014 pro star where the TC light stays on, but goes out whenever you press the brakes.

Code SID 55 FMI 7 stop lamp switch not detected goes off and on also when pressing the brakes.

Bendix system

Brakes lights work as should

Stop lamp switch replaced still has same issues.

Stop lamp switch has 12 volts going to it.

Wires all look good, just confused on where the brake switch wires lead. I have checked the plugs going to the EC 60 Bendix brain and the body controllers and have not found the wires.

Any help would be much appreciated.