The block of management of the mechanism of blocking of differential (it is located under back sitting)
80/90 Quattro
In – yellow, to the vacuum servo-driver
With – violet, from an inlet collector
Coupe Quattro
QX4.ONLINE S40.ONLINE A-8.ONLINE W124.ONLINE RX300.ONLINE W140.ONLINE B3-B4.SPACE B3B4.SPACE A-8.SPACE