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.
Component testing procedure
2010 Mercury Mariner Hybrid, AWDSECTION Component testing procedure
WARNING: This page is about a different variant/trim than selected.
MASTER WINDOW CONTROL 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 |
|---|---|---|---|
| Switch lock | 2, C504a and 2, C504b | Unlock | Closed circuit |
| Lock | Open circuit | ||
| Left front window circuit | 2, C504a and 5, C504a | Up | Closed circuit |
| Right front window circuit | 2, C504a and 3, C504a | Down | Closed circuit |
| 2, C504a and 8, C504a | Up | Closed circuit | |
| 7, C504b and 8, C504a 7, C504b and 3, C504a |
Rest | Closed circuit | |
| Left rear window circuit | 2, C504a and 1, C504b | Up | Closed circuit |
| 2, C504a and 6, C504b | Down | Closed circuit | |
| 7, C504b and 1, C504b 7, C504b and 6, C504b |
Rest | Closed circuit | |
| Right rear window circuit | 2, C504a and 8, C504b | Up | Closed circuit |
| 2, C504a and 4, C504b | Down | Closed circuit | |
| 7, C504b and 8, C504b 7, C504b and 4, C504b |
Rest | Closed 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.