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Oil pressure

J

johnnugent

Member
I have a 1986 Tollycraft 34 ft

I have a 1986 Tollycraft 34 ft sundeck with (2) 1997 454 crusaders with 900 hours on them. The oil pressure on one engine reads 100 psi and the other 50+ psi. I think I located where the sending units are but Im not sure because out of the block the is a T and two connections are connected to this T. I'm not sure which is the oil pressure unit and what the other is.
This is a project in the works and I am sure I will be back with many more rookie questions. Thanks in advance for any help you all can give
John
 
"With the motor running, jump

"With the motor running, jump each connection to ground. The one that makes the alarm go off is NOT the pressure gage sender unit.

Jeff"
 
"Hi John....thats a nice boat.

"Hi John....thats a nice boat. I aggree w/Jeff...infact both engines should have OP tee's, one for gauge sender and other for the op pressure alarm switch. Once you find the oil pressure sender for the op gauge...try swithing senders and see what gauges do. No parts (yet) just some time. Also buying an op gauge that threads directly into the tee will be a direct check of actual op plus checks the accuaracy og gauges. Hope this helps...Ken"
 
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