Standard Ignition HLS-1179 Headlight Switch

Headlight Switch for Lincoln Navigator and Aviator

The Standard Ignition HLS-1179 headlight switch is built for direct replacement in select Lincoln applications. It uses a 12-volt design with a single rectangular female connector, 9 blade terminals, and a 5-position switch layout for dependable lighting control.

Fits 2002-2004 Lincoln Navigator, silver; Fits 2003-2005 Lincoln Aviator; Fits 2005 Lincoln Navigator; Fits 2006 Lincoln Navigator, to 8/2/06, silver.

Key Features

• Direct, snap-fit attachment method for OE-style installation
• Silver finish with plastic housing
• Female connector with rectangular shape
• 5 switch positions for headlight control functions
• 12-volt electrical design
• Blade-style terminals for secure connection
• Copper alloy conductors for low-resistance electrical flow

Detailed Description

Standard Ignition HLS-1179 is a replacement headlight switch engineered for service work on Lincoln Navigator and Lincoln Aviator models listed in the fitment data. The switch is built with durable materials and copper alloy conductors to support stable electrical conductivity and reduced resistive loss during operation. Its 1-connector, 9-terminal layout helps match the original vehicle interface for a straightforward replacement.

This part cross-references Spectra Premium S10046 for the same application. Standard Ignition HLS-1179 also aligns with common OE-style replacement needs for Lincoln Navigator and Lincoln Aviator lighting control repairs.

Common Problems It Can Help Solve

• Headlights that do not turn on or respond inconsistently
• Intermittent lighting control at the dash switch
• Worn or damaged switch contacts causing electrical faults
• Loose or failing connector engagement at the switch
• Dim, flickering, or nonfunctional exterior lighting control

Installation Notes and Tips

Verify connector shape, terminal count, and switch position layout before installation. Confirm vehicle year and trim details against the fitment list, especially for the 2006 Lincoln Navigator note through 8/2/06. Inspect the harness connector and terminals for heat damage or corrosion before connecting the replacement switch.

Quality Assurance

Standard Ignition states that this switch is 100% tested for mechanical and electrical switching performance. The design uses high-grade materials and copper alloy conductors to meet the demands of professional repair work.