OE Quality
60-Day Returns

Standard Ignition S2423 Headlight Switch Connector
Reliable Headlight Switch Connector for Ford, Lincoln, and Mercury Vehicles
The Standard Ignition S2423 headlight switch connector is designed to provide a secure and precise electrical connection for your vehicle's lighting system. Engineered to meet the specifications of various Ford, Lincoln, and Mercury models, this connector ensures consistent performance and durability.
- Compatible with Ford, Lincoln, and Mercury models including Cougar, Edge, Escape, Expedition, Flex, Focus, Fusion, Mariner, Milan, MKX, MKZ, Navigator, Sable, Taurus, and Zephyr
- Female connector and terminal gender for proper fit and connection
- Square connector shape with a 0-degree bend angle for straightforward installation
- 14 gauge wire with 7 blade-type terminals for reliable electrical conductivity
- Harness length of 12 inches (30 cm) and housing length of 1.5 inches for optimal fitment
Product Details and Specifications
The Standard Ignition S2423 headlight switch connector features a female connector and terminal design, ensuring compatibility with the original equipment wiring harnesses in your vehicle. The connector has a square shape with no bend angle, simplifying installation and alignment. It includes seven blade-type terminals, each designed to handle 14 gauge wire, which supports the electrical load required for headlight switch operation. The harness length measures 12 inches (30 cm), providing sufficient length for secure routing within the vehicle's electrical system. The housing length is 1.5 inches, making it compact yet robust enough for long-term use.
Applications and Common Issues Addressed
- Replacement for damaged or corroded headlight switch connectors in Ford, Lincoln, and Mercury vehicles
- Restores proper electrical connection to prevent intermittent headlight operation
- Solves issues related to faulty or loose wiring connections in the headlight switch circuit
- Ensures consistent power delivery to headlight switches for reliable lighting performance
- Helps maintain vehicle safety by supporting proper headlight function
Installation Notes and Tips
When installing the Standard Ignition S2423 headlight switch connector, ensure the female connector aligns correctly with the corresponding male terminals on the vehicle wiring harness. The square shape and zero-degree bend angle facilitate straightforward connection without the need for additional adjustments. Verify that all seven blade terminals are securely seated to maintain optimal electrical contact. Use appropriate tools to avoid damaging the terminals or wiring during installation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The S2423 headlight switch connector undergoes rigorous quality control to provide consistent fit and function. While specific warranty details are not provided, Standard Ignition products typically come with a limited warranty against defects in material and workmanship.
| Brand | Standard Ignition |
| Part Number | S2423 |
| Bend Angle (Deg.) | 0 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Square |
| Gauge | 14 ga. |
| Harness Length - cm | 30 |
| Harness Length - inches | 12 |
| Housing Length (in) | 1 1/2 |
| Terminal Gender | Female |
| Terminal Quantity | 7 |
| Terminal Type | Blade |
| Wire Quantity | 7 |
This part fits 106 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Ford | Expedition | N/A | |
| 2017 | Ford | Flex | N/A | |
| 2016 | Ford | Expedition | N/A | |
| 2016 | Ford | Flex | N/A | |
| 2015 | Ford | Expedition | N/A | |
| 2015 | Ford | Flex | N/A | |
| 2015 | Lincoln | MKX | N/A | |
| 2014 | Ford | Edge | N/A | |
| 2014 | Ford | Expedition | N/A | |
| 2014 | Ford | Flex | N/A | |
| 2014 | Lincoln | MKX | N/A | |
| 2014 | Lincoln | Navigator | N/A | |
| 2013 | Ford | Edge | N/A | |
| 2013 | Ford | Expedition | N/A | |
| 2013 | Ford | Flex | N/A | |
| 2013 | Lincoln | MKX | N/A | |
| 2013 | Lincoln | Navigator | N/A | |
| 2012 | Ford | Edge | N/A | |
| 2012 | Ford | Escape | N/A | |
| 2012 | Ford | Expedition | N/A | |
| 2012 | Ford | Flex | N/A | |
| 2012 | Ford | Fusion | N/A | |
| 2012 | Lincoln | MKX | N/A | |
| 2012 | Lincoln | MKZ | N/A | |
| 2012 | Lincoln | Navigator | N/A | |
| 2011 | Ford | Edge | N/A | |
| 2011 | Ford | Escape | N/A | |
| 2011 | Ford | Expedition | N/A | |
| 2011 | Ford | Flex | N/A | |
| 2011 | Ford | Focus | N/A | |
| 2011 | Ford | Fusion | N/A | |
| 2011 | Lincoln | MKX | N/A | |
| 2011 | Lincoln | MKZ | N/A | |
| 2011 | Lincoln | Navigator | N/A | |
| 2011 | Mercury | Mariner | N/A | |
| 2011 | Mercury | Milan | N/A | |
| 2010 | Ford | Edge | N/A | |
| 2010 | Ford | Escape | N/A | |
| 2010 | Ford | Expedition | N/A | |
| 2010 | Ford | Flex | N/A | |
| 2010 | Ford | Focus | N/A | |
| 2010 | Ford | Fusion | N/A | |
| 2010 | Lincoln | MKX | N/A | |
| 2010 | Lincoln | MKZ | N/A | |
| 2010 | Lincoln | Navigator | N/A | |
| 2010 | Mercury | Mariner | N/A | |
| 2010 | Mercury | Milan | N/A | |
| 2009 | Ford | Edge | N/A | |
| 2009 | Ford | Escape | N/A | |
| 2009 | Ford | Expedition | N/A | |
| 2009 | Ford | Flex | N/A | |
| 2009 | Ford | Focus | N/A | |
| 2009 | Ford | Fusion | N/A | |
| 2009 | Ford | Taurus | N/A | |
| 2009 | Lincoln | MKX | N/A | |
| 2009 | Lincoln | MKZ | N/A | |
| 2009 | Lincoln | Navigator | N/A | |
| 2009 | Mercury | Mariner | N/A | |
| 2009 | Mercury | Milan | N/A | |
| 2009 | Mercury | Sable | N/A | |
| 2008 | Ford | Edge | N/A | |
| 2008 | Ford | Escape | N/A | |
| 2008 | Ford | Expedition | N/A | |
| 2008 | Ford | Focus | N/A | |
| 2008 | Ford | Fusion | N/A | |
| 2008 | Ford | Taurus | N/A | |
| 2008 | Lincoln | MKX | N/A | |
| 2008 | Lincoln | MKZ | N/A | |
| 2008 | Lincoln | Navigator | N/A | |
| 2008 | Mercury | Mariner | N/A | |
| 2008 | Mercury | Milan | N/A | |
| 2008 | Mercury | Sable | N/A | |
| 2007 | Ford | Edge | N/A | |
| 2007 | Ford | Escape | N/A | |
| 2007 | Ford | Expedition | N/A | |
| 2007 | Ford | Focus | N/A | |
| 2007 | Ford | Fusion | N/A | |
| 2007 | Lincoln | MKX | N/A | |
| 2007 | Lincoln | MKZ | N/A | |
| 2007 | Lincoln | Navigator | N/A | |
| 2007 | Mercury | Mariner | N/A | |
| 2007 | Mercury | Milan | N/A | |
| 2006 | Ford | Escape | N/A | |
| 2006 | Ford | Expedition | N/A | |
| 2006 | Ford | Focus | N/A | |
| 2006 | Ford | Fusion | N/A | |
| 2006 | Lincoln | Navigator | N/A | |
| 2006 | Lincoln | Zephyr | N/A | |
| 2006 | Mercury | Mariner | N/A | |
| 2006 | Mercury | Milan | N/A | |
| 2005 | Ford | Escape | N/A | |
| 2005 | Ford | Expedition | N/A | |
| 2005 | Ford | Focus | N/A | |
| 2005 | Lincoln | Navigator | N/A | |
| 2005 | Mercury | Mariner | N/A | |
| 2004 | Ford | Expedition | N/A | |
| 2004 | Ford | Focus | N/A | |
| 2004 | Lincoln | Navigator | N/A | |
| 2003 | Ford | Expedition | N/A | |
| 2003 | Ford | Focus | N/A | |
| 2003 | Lincoln | Navigator | N/A | |
| 2002 | Ford | Focus | N/A | |
| 2002 | Mercury | Cougar | N/A | |
| 2001 | Ford | Focus | N/A | |
| 2001 | Mercury | Cougar | N/A | |
| 2000 | Ford | Focus | 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.