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The thermostat housing 1989 ea FALCON.

2K views 2 replies 3 participants last post by  tdog 
#1 ·
could somone please tell me what are the two switches on theThermostat housing are for .mine are rusted in there. one has 2 hoses to it thank you john
 
#2 ·
one i thought was temp, the other is a heat/vacuum purge valve on the heater box, it means it pulls all vents to outside and heater wide open when car is overheating or something like that
 
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