Component Testing Procedure
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
MAIN LIGHT 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 | 3 and 7 | Off | Open circuit |
| Park | Open circuit | ||
| Low | Closed circuit | ||
| Auto | Open circuit | ||
| Autolamp circuit | 3 and 4 | Off | Open circuit |
| Park | Open circuit | ||
| Low | Open circuit | ||
| Auto | Closed circuit | ||
| Parking lamps | 3 and 2 | Off | Open circuit |
| Park | Closed circuit | ||
| Low | Open circuit | ||
| Auto | Open circuit | ||
| Fog lamps | 3 and 5 | Off | Open circuit |
| Fog lamps | Closed circuit | ||
| Off | 3 and 6 | Off | Closed circuit |
| Park | Open circuit | ||
| Low | Open circuit | ||
| Auto | Open circuit |