Component testing procedure
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. 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 | 7 and 10 | Off | Open circuit |
| Park | Open circuit | ||
| Low | Closed circuit | ||
| Auto | Open circuit | ||
| Autolamp Circuit | 7 and 4 | Off | Open circuit |
| Park | Open circuit | ||
| Low | Open circuit | ||
| Auto | Closed circuit | ||
| Parking Lamps | 7 and 5 | Off | Open circuit |
| Park | Closed circuit | ||
| Low | Open circuit | ||
| Auto | Open circuit | ||
| Fog lamps | 7 and 6 | Off | Open circuit |
| Fog | Closed circuit |