A process fluid pressure sensor assembly includes a pressure sensor configured to sense a pressure of a process fluid. The assembly includes a pressure sensor body formed of an insulating material. The pressure sensor includes a plurality of electrical contact pads which couple to a pressure sensing element of the body of the pressure sensor. An interconnect body is configured to fit over an end of the pressure sensor body. A plurality of electrical connectors carried in the interconnect body are in electrical contact with the plurality of electrical contact pads. A wiring harness attaches to the interconnect body and includes a plurality of wires which are electrically connected to the plurality of electrical connectors.