In a 1991 Subaru Legacy, the speed sensors can be found on the driver's side of the transmission. They are located towards the rear, and there are three of them.
subaru 91-legacy
A repair manual
the 1989 through 1993 subarus were one series. should bolt on so long as the engine is the same model.
look on the drivers side kick panel
it is screwed in to the intake maifold on the air box side of the engine
The VSS (Vehicle Speed Sensor) moniters the speed of the vehicle.
There is no such thing!!
on the transmission tailshaft housing
in the ecu
I have a 91 s10 and it has a speed sensor. It is located at the rear of the tranny on the drivers side
with all the other relays in the fuse/relay box in the engine compartment in front of the left wheel well.
oN THE 91 FORD CROWN VICTORIA YOU WILL LOCATE THE SPEED SENSOR ON THE DRIVERS SIDE OF THE TRANSMISSION ON THE TAIL SHAFT.