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.
IGNITION 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 |
|---|---|---|---|
| Starter relay circuit | 9 and 10 | Off | Open circuit |
| Acc | Open circuit | ||
| Run | Open circuit | ||
| Start | Closed circuit | ||
| Run/Start power circuit | 1 and 9 | Off | Open circuit |
| Acc | Open circuit | ||
| Run | Closed circuit | ||
| Start | Closed circuit | ||
| Run/Acc power circuit | 5 and 9 | Off | Open circuit |
| Acc | Closed circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit | ||
| Key reminder circuit | 3 and 8 | Key in | Closed circuit |
| Key out | Open circuit | ||
| Run power circuit | 7 and 8 | Off | Open circuit |
| Acc | Open circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit |