Take command of your lighting circuits again with the Standard Ignition Headlight Switch HLS-1075. This switch is a direct-fit replacement for the 2003-2011 Ford Crown Victoria and 2002-2011 Mercury Grand Marquis — see the Buyer's Guide tab for engine-level details. As the driver-operated control for the vehicle's exterior and instrument lighting, it directs battery power to the lighting circuits so you can turn your lamps on and off as designed.
Key features:
- Copper alloy conductors: deliver strong electrical conductivity with low resistive losses.
- 100% tested: each unit is checked to verify both mechanical and electrical switching performance.
- Robust build: high-grade materials chosen to stand up to the demands of daily service.
- Quality-controlled production: built by a global manufacturer of original-equipment ignition products with oversight from componentry through finished part.
Flickering lamps, headlights that won't come on, or dash illumination that cuts out intermittently can be signs the original switch is wearing out. If a failed headlight switch is the cause, this replaces it and restores control of the lighting circuits. Diagnose the cause before replacing to confirm the switch is at fault.
Interchange: S9936 · SW3958 · HL7091 · 3W7Z11654AAA · 4W7Z11654AAA · 4W7Z11654AAB · 7W7Z11654AA · 8W7Z11654AA · SW5687 · SW6241 · SW6244 · SW6583 · SW6703
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the HLS-1075 headlight switch fit?
It is a direct-fit replacement for the 2003-2011 Ford Crown Victoria and 2002-2011 Mercury Grand Marquis. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What does a headlight switch do?
It is the driver-operated control that directs battery power to the vehicle's exterior and instrument lighting circuits, letting you switch the lamps on and off as designed.
What are signs my headlight switch may need replacing?
Flickering lamps, headlights that won't turn on, or dash illumination that cuts out intermittently can indicate a worn switch. Diagnose the cause first to confirm the switch is at fault.
What are the conductors made of?
The switch uses copper alloy conductors, which provide strong electrical conductivity with low resistive losses.
Is this switch tested before shipping?
Yes. Each unit is 100% tested to verify both its mechanical and electrical switching performance.
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