Component testing procedure
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 Checks before any other tests | 6 (504B) and 4 (C504B) | at rest | Open circuit |
| 6 (504B) and 3 (C504B) | at rest | Open circuit | |
| 6 (504B) and 7 (C504B) | at rest | Open circuit | |
| 6 (504B) and 8 (C504B) | at rest | Open circuit | |
| 4 (504C) and 1 (C504C) | at rest | Open circuit | |
| 4 (504C) and 2 (C504C) | at rest | Open circuit | |
| 4 (504C) and 7 (C504C) | at rest | Open circuit | |
| 4 (504C) and 6 (C504C) | at rest | Open circuit | |
| 4 (504C) and 8 (C504C) | at rest | Closed circuit | |
| Ground Checks before any other tests | 2 (504B) and 4 (C504B) | at rest | Closed circuit |
| 2 (504B) and 3 (C504B) | at rest | Closed circuit | |
| 2 (504B) and 7 (C504B) | at rest | Closed circuit | |
| 2 (504B) and 8 (C504B) | at rest | Closed circuit | |
| 3 (504C) and 1 (C504C) | at rest | Closed circuit | |
| 3 (504C) and 2 (C504C) | at rest | Closed circuit | |
| 3 (504C) and 7 (C504C) | at rest | Closed circuit | |
| 3 (504C) and 6 (C504C) | at rest | Closed circuit | |
| 3 (504C) and 8 (C504C) | at rest | Open circuit | |
| Right front window circuit | 6 (504B) and 8 (C504B) | Down | Closed circuit |
| 6 (504B) and 7 (C504B) | Up | ||
| Left rear window circuit | 4 (504C) and 2 (C504C) | Down | Closed circuit |
| 4 (504C) and 1 (C504C) | Up | ||
| Right rear window circuit | 4 (504C) and 6 (C504C) | Down | Closed circuit |
| 4 (504C) and 7 (C504C) | Up |