Message Center Switch C253

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Message Center Switch C253 Pins

Courtesy of FORD MOTOR CO.

MESSAGE CENTER SWITCH C253 CONNECTOR CIRCUIT REFERENCE

Pin Number (s)	Circuit Designation/Description	Normal Condition/Measurement
3	1205 (BK) illumination ground	0 volts, less than 5 ohms between the message center switch and chassis ground.
6	1417 (LG/RD) dimmable backlighting power supply	0 volts with the headlamp switch in the OFF position. Greater than 10 volts with the instrument panel dimmer switch in the full illumination position and the headlamp switch in the PARK/ON position.