OIL light how to test sensor


Asked by May 19, 2017 at 11:51 AM about the 1963 Ford Thunderbird

Question type: Maintenance & Repair

My oil  stays on all the time, I need to know how to check the sensor/pickup
on my 1963 thunderbird The oil level is fine, the engine has always NOT
burned oil how can I check that the  oil pressure switch is ok and that the
wire and connector are ok I think the wire from the switch was faulty ( just
twisted around the top of the switch/sensor but i need to check that with a
tester or something?? 1963 thunderbird

2 Answers


just replace oil sending unit,it cheep,then check gauge if ok your done if not have oil pressure checked if ok & gauge is not regestering,engine problem.


Unscrew the sending unit just enough to cause a leak. Start engine and make sure oil is leaking from threads. If not, you have a pump/passageway problem. If that is ok (which it probably will be) then tighten the unit back and remove the wire from sending unit and touch it to ground and see if oil gauge swings to right with the key on. DO NOT START. if bad reading, the gauge is probably the fault.

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