Standard Ignition HLS-1071 Headlight Switch

Headlight Switch for Ford and Mercury Applications

The Standard Ignition HLS-1071 headlight switch is built for direct replacement in select Ford and Mercury vehicles with automatic headlights and no fog light function. It uses copper alloy conductors for strong electrical conductivity and low resistive loss, with 100% testing for mechanical and electrical switching performance.

• Direct, snap-fit attachment method
• Black plastic finish
• Combination switch function
• 12V electrical system application
• Female connector with 2 rectangular connectors
• Male blade terminals, 12 terminal count
• 4 switch positions

Detailed Product Overview

Standard Ignition HLS-1071 is a headlight switch engineered for service work where consistent lighting control matters. The switch is configured for vehicles that use automatic headlights and do not have fog lights, and it matches the electrical and connector layout needed for a direct replacement. This part number HLS-1071 is also cross-referenced to 1S3650 for the same application.

Compatible With 2006 Ford Expedition, 2005 Ford Explorer, 2003 Ford Explorer, 2005 Ford Explorer Sport Trac, 2004 Ford Explorer, 2004 Mercury Mountaineer, 2003 Mercury Mountaineer, 2002 Ford Explorer, and 2002 Mercury Mountaineer with the listed equipment notes. For buyers searching Ford Explorer headlight switch replacement or Mercury Mountaineer headlight switch HLS-1071, this part matches the specified vehicle configurations.

Common Problems This Part Can Address

• Headlights that do not switch on or off correctly
• Intermittent lighting control at the dash switch
• Worn or damaged switch contacts causing inconsistent operation
• Electrical switching issues in automatic headlight systems
• Replacement needs after connector or terminal wear

Installation Notes and Tips

Verify the vehicle has automatic headlights and no fog lights before ordering. Confirm connector shape, terminal style, and switch position count against the original part. This HLS-1071 headlight switch is a direct, snap-fit style replacement for the listed Ford and Mercury applications, including 2002-2006 Ford Explorer and 2002-2004 Mercury Mountaineer configurations shown in the fitment data.

Quality Assurance

Standard Ignition builds this switch with robust materials and copper alloy conductors, then tests each unit for mechanical and electrical switching performance. The design reflects long-term development focused on technician requirements and dependable service replacement.