hi my brother i am new on the forum, can you help me to install the cable mib 2 on s3 facelift 2019, i buy on aliexpress the complete kit, in my car i have onlycharge, now the problem is is the green connector of the mmi quadlock of the new cable with 2 black red wires it is for the battery but must I integrate them in the same quadlock stuck to them and after inserting the quadlock in R199 ?? i can't fin any help 