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tony58 · 11-21-2013, 04:20 PM

Low pressure switch, which is normally open. When the shuttle valve moves due to drop in pressure the valve moves completing ground circuit and the dash light goes on.

11-21-2013, 04:20 PM	#5
tony58 Registered User Join Date: Feb 2013 Location: Orange, Calif Posts: 183	Re: Nipple on Master Cyclinder? where to? Low pressure switch, which is normally open. When the shuttle valve moves due to drop in pressure the valve moves completing ground circuit and the dash light goes on.