my email is firstname.lastname@example.org
ere is the diagnostic hookup on the plymouth grand voyager at on 1990 Plymouth Grand Voyager
There are (2) diagnostic connectors on your vehicle. The one for the Engine Single Board Engine Controller (SBEC) is located under the hood on the passenger side. It is a 6 pin Black connector. The Transmission Control Module (TCM) diagnostic connector is located under the drivers side of the instrument panel, to the right of the steering column. It is a BLUE connector.