Component Testing Procedure
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
MAIN LIGHT SWITCH, EXTERIOR LAMPS - 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 | 8 and 9 | Autolamps On | Open circuit |
| Off | Open circuit | ||
| Park | Open circuit | ||
| Head | Closed circuit | ||
| Park lamps | 10 and 12 | Autolamps On | Open circuit |
| Off | Open circuit | ||
| Park | Closed circuit | ||
| Head | Closed circuit | ||
| Autolamps | 8 and 7 | Autolamps On | Closed circuit |
| Off | Open circuit | ||
| Park | Open circuit | ||
| Head | Open circuit | ||
| Fog lamps | 5 and 2 | Autolamps On | Closed circuit |
| Off | Open circuit |