TCS Button?
Thanks for clarifying. The harness is wired...what else can I utilize it with?

As you can see the switch has six terminals, however as pins 1 and 6 are both +12V "hot in RUN" power there are only five wires in the harness connected to the switch--they are:
PK/BK: Pins 1 and 6, the aforementioned +12V hot-in-RUN power;
GN: Pin 2, the t/c momentary contact switches this to +12V to signal the instrument cluster to toggle the traction control on/off;
BK/LB: Pin 4, the instrument cluster connects this to ground (or not) to turn the t/c status indicator on or off;
BK: Pin 7, a ground connection for the switch illumination;
LB/RD: Pin 8, power for the switch illumination;
One last comment, if you do not have traction control then you also do not have ABS as they were a bundled package. In my opinion this is a good thing. as it means the car weighs some 40 pounds less, and you don't need either.
I've the traction control permanently turned off in the tune for the last 5-1/2 years/110k miles, and in that time have never had the ABS activate other then once when I was playing around in a wet parking lot just to see if it worked. If I were more ambitious I'd remove it...
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S550 2015-2023 Mustang
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Sep 30, 2015 12:39 PM




