Component Testing Procedure
WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
HEADLAMP SWITCH, EXTERIOR LAMPS 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 | 9 and 8 | Off | Open circuit |
| Head | Closed circuit | ||
| Park | Open circuit | ||
| Autolamps | Open circuit | ||
| Park lamps | 11 and 10 | Off | Open circuit |
| Head | Closed circuit | ||
| Park | Closed circuit | ||
| Autolamps | Open circuit | ||
| Autolamps | 7 and 8 | Off | Open circuit |
| Head | Open circuit | ||
| Park | Open circuit | ||
| Autolamps | Closed circuit | ||
| Fog Lamps | 2 and 5 | On | Closed circuit |
| Off | Open circuit |