the sensor at the top rear of the block is the oil pressure sender, but I dont know what the little one above the oil filter base is for.... is it a switch for low oil alarm? as the single wire that is connected to it, also runs to what I assume must be a high temp alarm... when either get out of the "safe" range, the sensors trip the alarm?
I would like to replace it but I dont know what it is for sure or what pressure range it should be.... thanks for any help

after several attempts to upload a photo of the sensors, I gave up...