used posi-taps to tap into the green/brown twisted pair wires in the passenger footwell. i am doing this with a Adafruit ESP32 device. Trying to replicate my DIY can bus device for RaceChrono, like i did with my g80 m3īasically, RaceChrono Pro allows you to make your own DIY devices and send CAN bus data to it via Bluetooth LE.