I checked out the splice with a multimeter and it was ok. I then jumpered the switch wire to ground and started the car. The oil light was illuminated on the dash. While the car was running I disconnected the jumper and the oil light went off. So a ground causes the lamp to illuminate. With the switch wire disconnected, the car kept running, poorly, but running. Lots of vibration and missing. I need to check the voltage at the switch itself. Reconnecting the wire to the switch did not cause the oil light to come on. I need to go pick up some spark plugs to replace the carbon fouled ones.
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