90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Control Unit: Component Locations
Differential Lock Control Unit (Under Rear Seat):
A- blue, to vacuum servo
B- yellow, to vacuum servo
C- violet, from intake manifold
Control Unit: Component Locations
Differential Lock Control Unit (Under Rear Seat):
A- blue, to vacuum servo
B- yellow, to vacuum servo
C- violet, from intake manifold