Standard Ignition S2423 Headlight Switch Connector

Headlight Switch Connector for Ford and Lincoln

Standard Ignition S2423 is a direct replacement headlight switch connector for repairing damaged electrical connections without replacing the full harness. It uses high-grade terminal materials and a polyamide housing for dependable electrical fit and long-term service in demanding underhood and cabin environments.

Compatible with a wide range of Ford, Lincoln, and Mercury vehicles, including Ford Focus, Ford Fusion, Ford Escape, Lincoln Navigator, and Lincoln MKZ applications.

Key Features

• Direct replacement headlight switch connector for electrical repair
• Female connector with square housing shape
• 7 blade terminals with 14 ga. wiring
• 30 cm / 12 in harness length with protective tubing included
• Built with copper alloy, brass, and phosphor bronze terminals
• Polyamide resin housing for durability in harsh environments
• 100% tested for mechanical and electrical fit, form, and function

Detailed Description

The Standard Ignition S2423 is a replacement headlight switch connector designed to restore a damaged connector without changing the entire harness. Its 7-terminal female design and square housing support a secure electrical connection, while the direct replacement construction helps maintain proper switch operation in Ford, Lincoln, and Mercury vehicles. This part number, S2423, is commonly selected for repair work on models such as the Ford Edge, Ford Expedition, Ford Taurus, and Lincoln Navigator.

This part cross-references Monroe Shocks & Struts (e.g., 1P3352, EC2324) for the same application.

What It Helps Fix

• Intermittent or failed headlight switch operation
• Heat-damaged, corroded, or broken connector terminals
• Loose electrical contact at the switch plug
• Wiring damage limited to the connector end
• Restoration of proper lighting circuit continuity

Installation Notes and Tips

Verify connector shape, terminal count, and wire gauge before installation. Match the vehicle harness side to the female connector layout and confirm the application against the vehicle year, make, and model. For best results, inspect adjacent wiring for heat damage or corrosion before splicing in the replacement connector. Standard Ignition S2423 is listed for Ford Expedition, Flex, Edge, Escape, Fusion, Focus, Taurus, and Lincoln Navigator, MKX, MKZ, Zephyr, plus Mercury Mariner, Milan, Sable, and Cougar applications.

Quality Assurance

Standard Ignition states that each connector is tested for proper mechanical and electrical fit, form, and function. The use of high-grade terminal metals and a polyamide housing supports consistent performance in automotive electrical repair.