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 |
|---|---|---|---|
| Power and Ground Checks before any other tests | 2 (504b) and 8 (C504a) | All eight window switches (at rest) | Open circuit |
| 2 (504b) and 4 (C504a) | |||
| 2 (504b) and 1 (C504a) | |||
| 2 (504b) and 6 (C504a) | |||
| 2 (504b) and 8 (C504b) | |||
| 2 (504b) and 3 (C504b) | |||
| 2 (504b) and 5 (C504b) | |||
| 7 (504a) and 8 (C504a) | All eight window switches (at rest) | Closed circuit | |
| 7 (504a) and 4 (C504a) | |||
| 7 (504a) and 1 (C504a) | |||
| 7 (504a) and 6 (C504a) | |||
| 7 (504a) and 8 (C504b) | |||
| 7 (504a) and 3 (C504b) | |||
| Left front window circuit | 2 (504b) and 5 (C504b) | Up | Closed circuit |
| Right front window circuit | 2 (504b) and 3 (C504b) | Down | Closed circuit |
| 7 (504a) and 8 (C504b) | |||
| 2 (504b) and 8 (C504b) | Up | ||
| 7 (504a) and 3 (C504b) | |||
| Left rear window circuit | 2 (504b) and 1 (C504a) | Down | Closed circuit |
| 7 (504a) and 6 (C504a) | |||
| 2 (504b) and 6 (C504a) | Up | ||
| 7 (504a) and 1 (C504a) | |||
| Right rear window circuit | 2 (504b) and 4 (C504a) | Down | Closed circuit |
| 7 (504a) and 8 (C504a) | |||
| 2 (504b) and 8 (C504a) | Up | ||
| 7 (504a) and 4 (C504a) |