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 |
|---|---|---|---|
| Interior dome Circuit | 4 and 2 | Dome lamp (full bright detent) | Closed circuit |
| Dim | Open circuit | ||
| Interior dimmer Circuit | 4 and 7 | Off (full dark detent) | Closed circuit |
| Dim | Open circuit | ||
| Illumination dimmer resistor | 4 and 3 | Rotate knob clockwise | Ohmmeter will show smoothly increasing resistance |