Standard Ignition DS-846 Trunk Open Warning Switch - Front Left or Front Right

Trunk Open Warning Switch for Ford and Mercury

Standard Ignition DS-846 is a direct-mount trunk open warning switch built for vehicles that use a door-mounted warning light circuit. It is engineered with copper alloy conductors for strong electrical conductivity and low resistance, and each unit is tested for both mechanical and electrical switching performance.

Use this switch when servicing the trunk-open warning system on select Ford Crown Victoria, Mercury Grand Marquis, and related applications. The DS-846 part number is a direct replacement option for common OE-style warning switch needs.

Key Features

• Direct mount design for straightforward replacement
• Male connector with female pin terminals
• 2-terminal configuration
• Copper alloy conductors for reliable electrical transfer
• 100% tested for switching performance
• Built with durable materials for service use

Detailed Description

Standard Ignition DS-846 is a trunk open warning switch used in body electrical systems that trigger a warning light when a trunk or related access point is open. It is a direct-fit electrical switch with a male connector, female terminals, and pin-style terminals, making it suitable for repair work where the original warning switch has failed or become intermittent. This part number is commonly searched for Ford Crown Victoria and Mercury Grand Marquis service, as well as Ford Explorer warning light applications.

This part cross-references AMS Automotive S1006 for the same application.

What It Helps Fix

• Warning light stays on after the trunk is closed
• No trunk-open warning light response
• Intermittent trunk switch electrical contact
• Corrosion or wear at the original switch terminals
• Fault codes or electrical complaints tied to the trunk warning circuit

Installation Notes and Tips

• Verify connector style, terminal count, and mounting location before installation.
• Confirm vehicle-specific fitment for the exact year, make, model, and position.
• Inspect the harness and terminals for damage before connecting the new switch.
• Check warning light operation after installation to confirm proper switching.

Quality Assurance

Standard Ignition builds this switch with service-grade materials and tests each unit for mechanical and electrical function. The design uses copper alloy conductors to support consistent conductivity in automotive electrical systems.

Compatible With 1990-1997 Ford Crown Victoria, 1990-1997 Mercury Grand Marquis, 1992-1994 Ford Explorer front right warning light, 1992-1994 Ford Explorer front left warning light, 1993-1994 Ford Explorer warning light, 1991 Ford Explorer warning light, 1990-1991 Ford LTD Crown Victoria, and 1991 Mercury Colony Park.