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Low oil pressure alarm switch

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Brownie289

Contributing Member
Quick question, my low oil pressure alarm stopped working so I figured I’d replace the switch/pressure sensor.
what are the 2 wires connected to it? One must be for the alarm what’s the other one for??
thanks
gen IV
454 crusaders
 
where are you looking at???? a picture would be great...

the factory installed switch, and most all aftermarket switches, all connect to a single wire.....
 
the alarm is turned on by one of three switches in parallel.....the other wire is either going back to the alarm or one of the other switches.....I'd say somebody rerouted the wires from the factory configuration....the diagram is in the owner's manual
 
maybe this will help....
the "order" that the switches are connected in doesn't matter...any one turning "ON" with turn on the alarm....
 

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  • alarm from Crusader Engine Manual.pdf
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