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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1262 (COMPONENT TESTING)INTRODUCTIONMASTER WINDOW ADJUST SWITCH - NAVIGATORCOMPONENT TESTING PROCEDURE
2009 Mercury Milan Premier, 3.0 1, AWD
Component testing procedure
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Component testing procedure
WARNING: This page is about a different car, the 2009 Lincoln Navigator L, 2009 Lincoln Navigator, 2009 Ford Expedition EL, and 2009 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW ADJUST SWITCH - NAVIGATOR - 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 | 3, C535b and 4, C535b | Lock off | Closed circuit |
| Lock on | Open circuit | ||
| Left front window circuit | 3, C535a and 4, C535a | Up | Closed circuit |
| 3, C535a and 7, C535a | Down | Closed circuit | |
| 8, C535a and 8, C553b | One-touch up/down | Closed circuit | |
| Right front window circuit | 3, C535a and 5, C535a | Up | Closed circuit |
| 3, C535a and 2, C535a | Down | Closed circuit | |
| 1, C535a and 6, C553b | One-touch up/down | Closed circuit | |
| Left rear window circuit | 3, C535b and 2, C535b | Up | Closed circuit |
| 3, C535b and 1, C535b | Down | Closed circuit | |
| Right rear window circuit | 3, C535b and 8, C535b | Up | Closed circuit |
| 3, C535b and 7, C535b | Down | Closed circuit |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.