Message center Connector end view (C253)

Fig 1: Message Center Connector End View (C253)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Circuit function
1	...	not used
2	57 (BK)	Ground
3	...	not used
4	676 (PK/OG)	Vehicle Speed Sensor (VSS)...
5	143 (LB/YE)	Message center switch, Power (Start or Run)
6	152 (LB/WH)	Switches, input
7	484 (OG/BK)	Headlamp switch, on input
8	...	not used