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.
2007 Ford Taurus SEFACTORY OEM SERVICE PROCEDURE
Component Testing Procedure
WARNING: This page is about a different car, the 2005 Mercury Sable and 2005 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
MULTIFUNCTION SWITCH, LAMP PORTION - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| High beam | 10 and 9 | High beam | Closed circuit |
| Flash-to-pass | Open circuit | ||
| Low beam | Open circuit | ||
| Low beam/Flash-to-pass | 12 and 9 | High beam | Open circuit |
| Flash-to-pass | Closed circuit | ||
| Low beam | Closed circuit | ||
| 10 and 11 | High beam | Open circuit | |
| Flash-to-pass | Closed circuit | ||
| Low beam | Open circuit |
MULTIFUNCTION SWITCH, LAMP PORTION - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Turn signal | 1 C202a and 2 C202a | Left term | Closed circuit |
| 1, C202a and 2, C202a | Left term | Closed circuit | |
| 1, C202a and 3, C202a | Right term | Closed circuit | |
| 1, C202a and 5, C202a | Right term | Closed circuit | |
| Hazard | 1, C202a and 2, C202a | Turn signal switch in neutral, Hazard On | Closed circuit |
| 1, C202a and 2, C202a | |||
| 1, C202a and 3, C202a | |||
| 1, C202a and 5, C202a | |||
| 6, C202a and 10, C202a | |||
| 4, C202a and 2, C202a | Turn signal switch in neutral, Hazard On | Open circuit | |
| 4, C202a and 5, C202a | |||
| 9, C202a and 10, C202a | |||
| 10, C202a and 6, C202a | Turn signal switch in neutral, Hazard On | Open circuit | |
| 4, C202a and 2, C202c | Turn signal switch in neutral, Hazard On | Closed circuit | |
| 4, C202a and 2, C202a | |||
| 9 C202a and 10, C202a |
Factory Service Tools
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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.
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