Component testing procedure
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW ADJUST 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 and Ground Checks Before Any Other Tests | C504b, 5, and C504a, 3 | All Eight Window Switches (at rest) | Closed circuit |
| C504b, 5, and C504a, 4 | |||
| C504b, 5, and C504a, 8 | |||
| C504b, 5, and C504a, 1 | |||
| C504b, 5, and C504a, 2 | |||
| C504b, 5, and C504a, 7 | |||
| C504b, 5, and C504a, 5 | |||
| C504b, 5, and C504a, 6 | |||
| Left front window circuit | C504b, 8 and C504a, 6 | Up | Closed circuit |
| C504b, 8 and C504a, 5 | Down | Closed circuit | |
| Right front window circuit | C504b, 8 and C504a, 8 | Down | Closed circuit |
| C504b, 8 and C504a, 7 | Up | Closed circuit | |
| Left rear window circuit | C504b, 8 and C504a, 1 | Down | Closed circuit |
| C504b, 8 and C504a, 2 | Up | Closed circuit | |
| Right rear window circuit | C504b, 8 and C504a, 4 | Down | Closed circuit |
| C504b, 8 and C504a, 3 | Up | Closed circuit | |
| Window lockout | C504b, 8 and C504b, 7 | Lock | Open circuit |
| Unlock | Closed circuit |