On Mar 24, 7:34*pm, "Karl Townsend"
wrote:
Pressure differential valve needs reset? No make/model....

MikeB

93 ford 350. What the heck is this and how is it done?

Karl

Is there a connector for a pressure differential switch on the front
end of the master cylinder?
It's shown on the Aerostar in my 1991 service manual.

jsw