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HybridZ

Oil Pressure Switch


trwebb26

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On my 78' Z - there are two yellow and black wires coming out of the oil pressure sending unit. One goes to the oil pressure guage - the other is a switch. I'm guessing that the switch must be "activated" for the fuel pump to turn on. I would like to retain this feature with my megasquirt. Can somebody tell me what signal comes from this yellow and black wire when the car is running so I can wire up my relays correctly... Thanks!

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the yellow and black wire on my 78 went to the gauge... there was a yellow wire as well. I believe that went to the fuel pressure realy if the car is still stock.

 

look in the electronics section of the forum and you should be able to find the wiring diagram for the 77 and 78 280s.

 

-Ed

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