OE Quality
60-Day Returns

Standard Ignition DS-609 Headlight Switch
Reliable Headlight Switch for Ford and Mercury Vehicles
The Standard Ignition DS-609 headlight switch is designed for direct replacement in select Ford and Mercury models. Engineered to meet OEM specifications, this black plastic switch ensures consistent headlight control and durability.
- Direct snap fit attachment method for easy installation
- Black plastic finish matching original equipment
- Two female rectangular connectors for secure wiring
- Nine male blade terminals supporting 12-volt electrical systems
- Compatible with Ford Contour, Crown Victoria, and Mercury Grand Marquis
Product Details and Specifications
The DS-609 headlight switch by Standard Ignition features a durable plastic construction with a black finish, designed to blend seamlessly with your vehicle's interior. It uses a direct snap fit attachment method, allowing for straightforward replacement without additional modifications. The switch includes two female rectangular connectors and nine male blade terminals, ensuring reliable electrical connections within the 12-volt system. This headlight switch is specifically engineered for use in Ford Contour, Crown Victoria, and Mercury Grand Marquis models, providing precise control over your vehicle's headlight functions.
Common Applications and Problem Solving
- Restores headlight functionality when the original switch fails
- Eliminates flickering or intermittent headlight operation
- Replaces worn or damaged switches causing electrical issues
- Resolves problems with headlight dimmer or on/off control
- Ensures compliance with vehicle lighting safety standards
Installation Notes and Tips
Installation of the Standard Ignition DS-609 headlight switch is straightforward due to its direct snap fit design. Before installation, disconnect the vehicle battery to prevent electrical shorts. Carefully remove the faulty switch by releasing the snap fit clips, then connect the new switch’s female rectangular connectors to the vehicle wiring harness. Ensure all nine blade terminals are properly seated to maintain secure electrical contact. After installation, test the headlight functions to confirm proper operation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The DS-609 headlight switch undergoes rigorous quality control testing to maintain consistent electrical function. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.
| Brand | Standard Ignition |
| Part Number | DS-609 |
| Attachment Method | Direct, Snap Fit |
| Color | Black |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Finish | Plastic |
| Functions | Headlight |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Ford | Contour | N/A | |
| 1997 | Ford | Crown Victoria | N/A | Exc. Police Package |
| 1997 | Mercury | Grand Marquis | N/A | |
| 1996 | Ford | Crown Victoria | N/A | |
| 1996 | Mercury | Grand Marquis | N/A | |
| 1995 | Ford | Crown Victoria | N/A | w/ Rotary Switch; From 11/94 |
| 1995 | Mercury | Grand Marquis | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.