Should light up in Key on position.
Shouldn't be on when driving.
Check the sender by removing the wire and taping it up.
If it don't light no more it's the sender if it lights up every now and then it's the wiring.
Make sure you use an oil pressure gauge at all times during the tests.
Shouldn't be on when driving.
Check the sender by removing the wire and taping it up.
If it don't light no more it's the sender if it lights up every now and then it's the wiring.
Make sure you use an oil pressure gauge at all times during the tests.