Standard Ignition DS-842 Door Jamb Switch

Door Jamb Switch for Ford and Mercury

Standard Ignition DS-842 is a bolt-mount door jamb switch built with a black housing, female connector, and male blade terminals. It is engineered with copper alloy conductors for strong electrical conductivity and low resistive loss, making it a practical replacement for interior courtesy light and tailgate switch circuits.

Compatible With 1996-2005 Ford Taurus and Mercury Sable applications listed below, this DS-842 switch is a direct service part for common door-ajar and courtesy lamp concerns. The DS-842 part number is also useful when cross-checking OE-style replacement needs for Ford Taurus and Mercury Sable service work.

Key Features

• Door jamb switch for interior lighting and body electrical circuits
• Black finish with bolt-mount design
• Female connector with 2 male blade terminals
• Dichromate finish for added corrosion resistance
• Copper alloy conductors for reliable electrical transfer
• 100% tested for mechanical and electrical switching performance

Detailed Description

Standard Ignition DS-842 is built for service professionals who need a dependable door jamb switch with consistent switching action and stable electrical contact. The robust construction and tested performance help restore proper operation in circuits that control courtesy lights and tailgate-related functions. If you are replacing a worn switch on a Ford Taurus or Mercury Sable, DS-842 provides the correct connector style, terminal layout, and mounting type for the listed applications.

This part cross-references S1086 and SW1347 for the same application.

Common Problems This Part Can Address

• Courtesy lights staying on or not turning on when the door opens
• Door-ajar warning behavior caused by a worn jamb switch
• Tailgate light circuit issues on listed Ford Taurus and Mercury Sable vehicles
• Intermittent electrical contact from corrosion or internal switch wear
• Poor switch response from damaged blade terminals or connector wear

Installation Notes and Tips

Verify the connector gender, terminal style, and bolt-mount location before installation. Inspect the mounting surface and wiring connector for corrosion, bent terminals, or damage before transferring the new switch into place. Confirm proper operation of the courtesy lights and tailgate circuit after installation on the vehicle.

Quality Assurance

Standard Ignition uses high-grade materials and copper alloy conductors, and each DS-842 switch is tested for both mechanical and electrical performance before release.

Vehicle Fitment

• Fits 2005 Mercury Sable, N/A, Courtesy Lights; Tailgate
• Fits 1996-2002 Mercury Sable, N/A, Courtesy Lights; Tailgate
• Fits 1996-2000 Ford Taurus, N/A, Tailgate
• Fits 1996 Ford Taurus, N/A, Courtesy Lights; Tailgate