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Where is the oil pressure sending unit located? I can't find the bugger.
Matthew
Matthew
Are you sure about that? I figured it'd be the other way around, smaller one for sender, big one for kill switch but I'm just guessing based on senders I've seen on gassers, I haven't actually put a Fluke on either one to test.The large one would be for the gauge.![]()
That's good info. I'm thinking the reason they put these on the end of a hose was to isolate them from the vibration so I think I will do the same in my truck. That big gauge sender has a lot of mass on the end of a 1/8" or 1/4" pipe thread so I'm thinking if it was mounted directly on the engine that sender head is going to shake pretty good and may eventually lead to failure of the pipe thread or failure of the internals.Thanks Diesel Durango, that helped a lot.
I pulled the lead on the smaller one and nothing happened. The engine still ran and the gauge was still reading.
I then put it back and pulled the lead on the larger sender, and the gauge responded. So the larger one is the sending unit for a gauge.
Thats exactly why they mount them on a rubber hose, For vibration reasons. Most senders can't take the vibration. Alot of times when I get a sending unit at the parts store it will come with a piece of paper warning not to mount it directly to a diesel engine.That's good info. I'm thinking the reason they put these on the end of a hose was to isolate them from the vibration so I think I will do the same in my truck. That big gauge sender has a lot of mass on the end of a 1/8" or 1/4" pipe thread so I'm thinking if it was mounted directly on the engine that sender head is going to shake pretty good and may eventually lead to failure of the pipe thread or failure of the internals.