WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

MASTER WINDOW ADJUST SWITCH - ZEPHYR 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 On	Closed circuit
Switch lock	3, C535b and 4, C535b	Lock Off	Open circuit
Left front window circuit	3, C535a and 4, C535a	Up	Closed circuit
	3, C535a and 7, C535a	Down	Closed circuit
	3, C535a and 8, C535a	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
	3, C535a and 1, C535a	One-Touch Up/Down	Closed circuit
Left rear window circuit	3, C535b and 2, C535b	Up	Closed circuit
Left rear window circuit	3, C535b and 1, C535b	Down	Closed circuit
Right rear window circuit	3, C535b and 8, C535b	Up	Closed circuit
Right rear window circuit	3, C535a and 7, C535b	Down	Closed circuit

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.

Safety Warning

Component Testing Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

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