there are 2 kind Emulator.
4 pins emulator :
mostly can be priblem with orginal immo system and car not every time can start.
You can remove transponder from the key and in this case car will start always but if is orginal radion in car it will be locked.


6 pins emulator :
THis Emulator works without any probems what was listed before



ECU conections:
109-+12v(15)
120-+12V(30)
116-GND


Please compare files and very important what programmer you use for 93c66 (bytes can be swaped)
93C66 you have to write 2 last bytes:
adr $1FE: $E1 5D