Join Date: May 2010
Location: Williamsburg, VA
Nope, one's a sending unit, one's a switch. The sending unit to your gauge takes a single purple (color may be diff) wire. The switch, which controls your manifold heater (connected to the relay and won't allow the manifold heater to come on until there is oil pressure) takes two wires. Not sure of color. The first item you list is the switch. The second item is your oil sending unit.