Component Testing Procedure
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
ILLUMINATION DIMMER SWITCH - COMPONENT TESTING TABLE
| Circuit to test | Connect self powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Interior lamps Circuit | 4 and 2 | 2nd detent up | Closed circuit |
| 2nd detent down | Closed circuit | ||
| Rest position | Open circuit | ||
| Illumination dimmer up | 4 and 7 | 1st detent up | Closed circuit |
| Rest position | Open circuit | ||
| Illumination dimmer down | 4 and 3 | 1st detent down | Closed circuit |
| Rest position | Open circuit |