Component Testing Procedure
HEADLAMP 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 |
|---|---|---|---|
| Headlamp | B1 and H | Off | Open circuit |
| Park | Open circuit | ||
| Head | Closed circuit | ||
| Park lamps | B2 and R | Off | Open circuit |
| Park | Closed circuit | ||
| Head | Closed circuit | ||
| Interior lamp | D1 and D2 | Knob rotated fully counterclockwise (in detent) | Closed circuit |
| Knob rotated fully clockwise (out of detent) | Open circuit | ||
| Illumination dimmer | R and I | Rotate knob clockwise | Ohmmeter will show smoothly increasing resistance |