trailblazer key reader PAS -Key-3+ replace

[clauberty]

Hello

I have this car (trailblazer from 2003) and some time start some time immo (car with lock start blinking) and no joy


i connected KL 30 of the PAS reader to KL15 in this way MCU get power only when i switch ignition on and from 10 attempt 8 time engine start

i order the pass reader, problem is i do not know the adaptation procedure, and i cannot remove the old one from the car, pictures will come

Any info is appreciated

Thank you