Standard Ignition DS-268 Instrument Panel Dimmer Switch

Instrument Panel Dimmer Switch for Ford and Mazda

Restore reliable headlight dimming control with this Standard Ignition instrument panel dimmer switch. Standard Ignition DS-268 is built with copper alloy conductors, a direct snap-fit attachment, and a plug-in connector layout for consistent electrical performance in service applications.

Compatible With Ford F-150, Ford F-250, Ford F-350, Ford Bronco, Ford Ranger, Ford Explorer, Ford Aerostar, Ford Tempo, Ford E-Series vans, Mazda Navajo, Mercury Topaz, and related applications listed below. This part number, DS-268, is a direct replacement style switch for vehicles using a 12-volt headlight dimmer circuit.

Key Features

• Instrument panel dimmer switch for headlight control
• Direct, snap-fit attachment method
• Female 1-way rectangular plug-in connector
• 9 male blade terminals for secure electrical contact
• Metal and plastic construction
• 12-volt electrical design
• 100% tested for mechanical and electrical switching performance

Detailed Description

Standard Ignition DS-268 is engineered for dependable headlight switching in older Ford, Mazda, and Mercury platforms. The copper alloy conductor design supports strong electrical conductivity with low resistive loss, while the tested switch mechanism helps maintain consistent operation of the instrument panel dimmer function. If you are replacing a worn headlight dimmer switch on a Ford F-150, Ford Bronco, or Mazda Navajo, this part provides the correct service-style fit for the listed applications.

This part cross-references Standard Motor Products (e.g., DS268T) and Motorcraft (e.g., E77B11654AA) for the same application.

What It Helps Fix

• Headlights that do not switch between high and low beam
• Intermittent dimmer switch operation
• Loose or worn instrument panel headlight control feel
• Electrical contact loss at the headlight dimmer circuit
• Switch failure caused by age, heat, or repeated use

Installation Notes and Tips

• Verify connector style, terminal count, and 12-volt system requirements before installation.
• Check vehicle-specific fitment notes, including exclusions for some Aerostar models with Auto Headlights and Explorer models with an automatic rearview mirror.
• Inspect the connector and terminals for corrosion, heat damage, or looseness before connecting the new switch.
• Confirm the original stamping number on Mazda Navajo applications where noted.

Quality Assurance

Standard Ignition builds this switch with service-focused materials and tests each unit for mechanical and electrical switching performance. The design reflects long-term development aimed at meeting technician requirements in routine electrical repair.