Component Testing Procedure
WARNING: This page is about a different car, the 2005 Mercury Sable and 2005 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SWITCH (11572), LATE BUILD - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohm-meter to terminals | Move key to these positions | A good switch will indicate |
|---|---|---|---|
| Run power circuit | B1 and A1 B2 and A2 B4 and A4 |
Off Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Open circuit | ||
| Run/Start power circuit | B5 and A1 | Off Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Closed circuit | ||
| Start | Closed circuit | ||
| Acc power circuit | B5 and A1 | Off Lock | Open circuit |
| Accessory | Closed circuit | ||
| Run | Open circuit | ||
| Start | Open circuit | ||
| Start power circuit | B4 and STA | Off Lock | Open circuit |
| Accessory | Open circuit | ||
| Run | Open circuit | ||
| Start | Closed circuit |