Component testing procedure
WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
INSTRUMENT PANEL DIMMER SWITCH - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Dome lamp circuit | 2 and 4 | 2nd Detent Up | Closed circuit |
| 2nd Detent Down | Closed circuit | ||
| Dimmer circuit | 3 and 4 | Dim Up (1st and 2nd detent up) | Closed circuit |
| 7 and 4 | Dim Down (1st and 2nd detent down) | Closed circuit |