I've replaced my VSS and my speedometer still doesn't work. Guess it must be in the wiring. Can anyone tell me where the wire goes that plugs into the VSS? I have read somewhere it goes to a buffer box? Where is the buffer box located and what does it look like? Does this wire travel straight to the buffer box and nothing else is is hooked into it? Where does it go when it leaves the buffer box? Help would be greatly appreciated. I have been trying to fix my speedometer problem for a long time now.

Tim
1991 RS 305

 

This might help.

 

Thanks for the diagram!!! Hope it works for my situation...