Technical Punto 2 hgt speedometer

[ThePunisher]

Hello i have a fiat punto 2 1.9 jtd and i bought a punto 2 1.8 hgt speedometer instaled it and only the airbag light works and you can hear a reley going on of on of , does anyone know if the wiring diagrams are the same i serched and found nothing, help is really apprechiated. Thanks.