Oddball question - Brake Pedal voltage

[Krman68]

Hi

I got an oddball question. Does anybody know if Ford switched the brake pedal voltage in the 2018 and newer mustangs? I am trying to install Auto-Blip on my 2018 GT350 And I am having an issue with it. I am speaking with them via Email and he thinks Ford may have increased the voltage from 5v in 2017 and prior to 12v for2018 and newer

any info would be helpful

thanks
jack

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[boB]

The brake pedal switch has two circuits: pin 1 switches 12 V to pin 4; pin 3 switches ground to pin 2 (according to the 2019 service manual).

 

[Krman68]

thanks

as I understand your post, the 12v pin moves from pin 1 to 4 and the ground pin moves from 3 To 2, does that mean pin 3 is now the brake sensor?

 

[boB]

thanks

as I understand your post, the 12v pin moves from pin 1 to 4 and the ground pin moves from 3 To 2, does that mean pin 3 is now the brake sensor?

Pin 1 is 12 V, when the brake pedal is pressed that connects to pin 4 which goes to the PCM and BCM. Pin 3 is ground, when the brake pedal is pressed that connects to pin 3 which goes to another pin of the PCM.

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