To be certain:
* Consult a repair manual: A repair manual specific to your 1992 Dodge vehicle and engine will show you exactly where the switch is located. This is the most reliable method.
* Look up a diagram: Online parts diagrams, using your VIN or engine code, can provide a visual representation of the engine and the location of the oil pressure switch.
Without knowing the precise engine code, providing a more precise location is difficult. However, the general area described above is a good starting point for your search. Remember to be careful when working around the engine, as it can be hot even when turned off for a while.