Switch, Oil Pressure: Description: Description
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
The oil pressure switch is mounted on the oil pump housing on the left front side of the engine. The oil pressure switch is a pressure sensitive switch that is activated by the engine's oil pressure. The switch is a two terminal device (one terminal is provided to the wiring harness and the other terminal is the switch's metal housing that screws into the engine block).