Component testing procedure
WARNING: This page is about a different car, the 2009 Lincoln Navigator L, 2009 Lincoln Navigator, 2009 Ford Expedition EL, and 2009 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
HEADLAMP 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 |
|---|---|---|---|
| Headlamp circuit | 7 and 10 | Off | Open circuit |
| Park | Open circuit | ||
| Head | Closed circuit | ||
| Auto | Open circuit | ||
| 7 and 9 | Off | Closed circuit | |
| Autolamp Circuit | 4 and 7 | Off | Open circuit |
| Park | Open circuit | ||
| Head | Open circuit | ||
| Auto | Closed circuit | ||
| Parking lamps | 5 and 7 | Off | Open circuit |
| Park | Closed circuit | ||
| Head | Open circuit | ||
| Auto | Open circuit | ||
| Fog lamps | 6 and 7 | Off | Open circuit |
| Fog lamps | Closed circuit |