Component testing procedure
MASTER WINDOW CONTROL 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 |
|---|---|---|---|
| Power Checks before any other tests | 2 (504C) and 7 (C504C) | at rest | Open circuit |
| 2 (504C) and 8 (C504C) | at rest | Open circuit | |
| 2 (504C) and 6 (C504C) | at rest | Open circuit | |
| 2 (504C) and 5 (C504C) | at rest | Open circuit | |
| 2 (504C) and 4 (C504A) | at rest | Open circuit | |
| 2 (504C) and 1 (C504A) | at rest | Open circuit | |
| 2 (504C) and 1 (C504C) | at rest | Closed circuit | |
| Ground Checks before any other tests | 4 (504C) and 7 (C504C) | at rest | Closed circuit |
| 4 (504C) and 8 (C504C) | at rest | Closed circuit | |
| 4 (504C) and 6 (C504C) | at rest | Closed circuit | |
| 4 (504C) and 5 (C504C) | at rest | Closed circuit | |
| 4 (504C) and 1 (C504C) | at rest | Open circuit | |
| 2 (504A) and 4 (C504A) | at rest | Closed circuit | |
| 2 (504A) and 1 (C504A) | at rest | Closed circuit | |
| Left front window circuit | 7 (504A) and 3 (C504A) | Up | Closed circuit |
| 7 (504A) and 5 (C504A) | Down | Closed circuit | |
| Right front window circuit | 7 (504A) and 1 (C504A) | Down | Closed circuit |
| 7 (504A) and 4 (C504A) | Up | ||
| Left rear window circuit | 2 (504C) and 8 (C504C) | Down | Closed circuit |
| 2 (504C) and 7 (C504C) | Up | ||
| Right rear window circuit | 2 (504C) and 5 (C504C) | Down | Closed circuit |
| 2 (504C) and 6 (C504C) | Up |