Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 312 (COMPONENT TESTING)COMPONENT TESTINGMAIN LIGHT SWITCH (11654)COMPONENT TESTING PROCEDURE
2010 Ford Focus S, Standard
Component Testing Procedure
2010 Ford Focus S, StandardSECTION Component Testing Procedure
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
MAIN LIGHT SWITCH (11654) COMPONENT TESTING
| Circuit to test | Connect ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Headlamp circuit | 10 and 7 | Autolamps | Open circuit |
| Off | Open circuit | ||
| Park | Open circuit | ||
| Head | Closed circuit | ||
| Parking lights circuit | 5 and 7 | Autolamps | Open circuit |
| Off | Open circuit | ||
| Park | Closed circuit | ||
| Head | Open circuit | ||
| Off | 9 and 7 | Autolamps | Open circuit |
| Off | Closed circuit | ||
| Park | Open circuit | ||
| Head | Open circuit | ||
| Autolamp Circuit | 4 and 7 | Autolamps | Closed circuit |
| Off | Open circuit | ||
| Park | Open circuit | ||
| Head | Open circuit | ||
| Fog lamp circuit | 6 and 7 | front fog lamps | Closed circuit |
| Off | Open circuit |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.