Component Testing Procedure
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
ILLUMINATION DIMMER 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 |
|---|---|---|---|
| Interior lamps Circuit | 4 and 2 | Interior lamps | Closed circuit |
| Off | Open circuit | ||
| Illumination dimmer resistor | 4 and 1 | Rotate knob clockwise | Ohmmeter will show smoothly increasing resistance |