It's not a switch, it's a transducer and it can be bought at most auto parts
stores....

Chrysler changed the type of transducer for that model and year and you will
have to cut the connector off the harness and splice in a new style
connector.  They went from a GE to a Japanese brand one. (can't remember the
name of it) .  Mine was $75 from the stealer last summer.

Steve m...