i hacked with a arduino instead of the PAS sensor
https://pastebin.com/PejMPpb4
red = 5v = arduino 5v
black = gnd = arduino gnd
yellow is signal = arduino pinD13
how to hack ?
send a 25% dutycycle to the controller
if the PAS is backwards ( the PAS sends 75% DC instead of 25% dutycycle)