Component testing procedure
HEADLAMP SWITCH - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohm-meter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Headlamp | 3 and 4 | Off | Open circuit |
| Park | Open circuit | ||
| Head | Closed circuit | ||
| Park lamps | 2 and 5 | Off | Open circuit |
| Park | Closed circuit | ||
| Head | Closed circuit | ||
| Interior lamp | 8 and 7 | Knob rotated fully counterclockwise {in detent) | Closed circuit |
| Knob rotated fully clockwise (out of detent) | Open circuit | ||
| Illumination dimmer | 5 and 1 | Rotate knob clockwise | Ohmmeter will show smoothly increasing resistance |