Here we sharing lots of wiring connection pinouts to Fgtech Galletto 4 V54 master ecu programmer. Tip: Click to enlarge. CAT challenger-ADEM IV Mercedes truck round diagnostic plug Mercedes truck plug year <2004 Sprinter/Actros/Atego/Axsor/ Econic/Class/Bredamenarini Bus BMW moto round diagnostic plug BMW moto round diagnostic plug 20 PIN Volkswagen truck Bosch EDC7C1 9 Poli…