Component Testing Procedure
WARNING: This page is about a different car, the 2005 Lincoln Navigator and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW ADJUST SWITCH - COMPONENT TESTING - EXPEDITION
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good swtich will indicate |
|---|---|---|---|
| Power and Ground Checks Before Any Other Tests | 8 and 7, C504b | Window lockout Off | Closed circuit |
| 5, C504b and 1, 2, 3, 4, 5, 6, 7, 8 C504a | Rest | ||
| 8, C504b and 1, 2, 3, 4, 5, 6, 7, 8 C504a | Rest | Open circuit | |
| Driver front window circuit | 8, C504b and 5, C504a | Up | Closed circuit |
| 6, C504a and 5, C504b | |||
| 8, C504b and 6, C504a | Down | ||
| 5, C504a, and 5, C504b | |||
| Up | 800ohm--1000ohm | ||
| one-touch down | 5, C504b and 8, C504b | Rest | 800ohm--1000ohm |
| Passenger front window circuit | 8, C504b and 7, C504a | Up | Closed circuit |
| 8, C504a, and 5, C504b | |||
| 8, C504b and 8, C504a | Down | ||
| 7, C504a, and 5, C504b | |||
| Left rear window circuit | 8, C504b and 2, C504a | Up | Closed circuit |
| 1, C504a and 5, C504b | |||
| 8, C504b and 1, C504a | Down | ||
| 2, C504a and 5, C504b | |||
| Right rear window circuit | 8, C504b and 3, C504a | Up | Closed circuit |
| 4, C504a and 5, C405b | |||
| 8, C504b and 4, C504a | Down | ||
| 3, C504a and 5, C504b | |||
| Illumination | Connect pin 8, C504b to 12V DC power and pin 5, C504b to ground. | Visually inspect switch to verify illumination. | |