Seat Controls - Electric - Ford 4-Way: Testing

Separate connectors under seat, then test switch and wiring using test light or ohmmeter as follows:

Input Circuit Tests

Switch Position	Continuity Between Terminals
Neutral	No continuity between 51 and any terminal.
Up	51 and 978
Down	51 and 979
Forward	51 and 180
Rearward	51 and 179

Fig 1: 4-Way Power Seat Connector Terminal Identification

Courtesy of FORD MOTOR CO.

Ground Circuit Tests

Switch Position	Continuity Between Terminals
Neutral	Continuity between 57 and all other terminals.
Up	57 and 179, 180, 979
Down	57 and 179, 180, 978
Forward	57 and 179, 978, 979
Rearward	57 and 180, 978, 979

Fig 2: Granada, Monarch, Fairmont & Zephyr 4-Way Power Seat Wiring Diagram (Versailles Similar)

Courtesy of FORD MOTOR CO.