Anyone can help how a brake switch is wired from servo

[Power ut]

Brake switch curcit / I have a 06 transporter ( which is old 4 pin ,but converting the audi engine really struggling to get the audi 3 pin hall sensor brake switch/ lights to work
Pin1 earth
Pin3 12v to ecu pin29
Pin4 12v fused

Wonder if I can use a 4 pin. Transporter t6 one. And have a daigram

 

[Deaky]

Brake switch curcit / I have a 06 transporter ( which is old 4 pin ,but converting the audi engine really struggling to get the audi 3 pin hall sensor brake switch/ lights to work
Pin1 earth
Pin3 12v to ecu pin29
Pin4 12v fused

Wonder if I can use a 4 pin. Transporter t6 one. And have a daigram

T6 - ABS Anti Lock Braking System Wiring Diagram

ABS circuit diagram This also incorporates diff lock, power steering, wheel speed sensors & brake pad sensors etc VIP Membership is required to download this document

www.t6forum.com