Component testing procedure
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT TESTING PROCEDURE
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Run power circuit | 8 and 3 8 and 6 8 and 7 |
Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit | ||
| Run/Start power circuit | 8 and 3 9 and 1 |
Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Closed circuit | ||
| Run/Acc power circuit | 8 and 3 9 and 5 |
Lock | Open circuit |
| Accessory | Closed circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit | ||
| Start power circuit | 8 and 3 9 and 10 |
Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Open circuit | ||
| Start | Closed circuit | ||
| Key-in-igntion | 8 and 3 | Key out of ignition | Open circuit |
| Key in ignition | Closed circuit |