I have always had good oil pressure in my 74 Cherokee and the stock gauge worked fine.
4 days ago the gauge quite working and I am sure I have oil pressure still.
After the Jeep sits a few day and I start it the top end clatters for a few seconds after I start it then after about 5 seconds it quits making noise once oil gets up there. It still does and when driving it makes zero noise and runs perfect.
I replaced the sending unit and still no gauge action except it starts pegged at the bottom and when I start it it goes up to just above zero (1-5 psi?)
and it jiggles around a tine bit.
I pulled the dash out and the plug on the back is tight and seems fine.
Is there a way to test the gauge itself?
On the wiring schematic it shows the circuit goes to the dash then to the radio noise suppressor or am I reading it wrong, and why the radio noise suppressor? Is than just where it grounds to?
4 days ago the gauge quite working and I am sure I have oil pressure still.
After the Jeep sits a few day and I start it the top end clatters for a few seconds after I start it then after about 5 seconds it quits making noise once oil gets up there. It still does and when driving it makes zero noise and runs perfect.
I replaced the sending unit and still no gauge action except it starts pegged at the bottom and when I start it it goes up to just above zero (1-5 psi?)
and it jiggles around a tine bit.
I pulled the dash out and the plug on the back is tight and seems fine.
Is there a way to test the gauge itself?
On the wiring schematic it shows the circuit goes to the dash then to the radio noise suppressor or am I reading it wrong, and why the radio noise suppressor? Is than just where it grounds to?
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