Standard Ignition DS-987 Headlight Dimmer Switch

Headlight Dimmer Switch for Jeep Grand Cherokee

Standard Ignition DS-987 is a new headlight dimmer switch built for direct replacement service on select Jeep Grand Cherokee applications. It combines headlight, fog light, turn signal, and high-beam control functions in one bolt-on unit for vehicles equipped with automatic headlights.

Key Features

• Bolt-on attachment with a rectangular female connector
• 12-volt electrical design with blade terminals
• Includes fog light operator, main light operator, turn signal control, and indicator markings
• Includes latching high beam operator and momentary high beam flasher function
• Single connector cavity with 10 blade terminals
• New replacement part from Standard Ignition
• 100% tested for mechanical and electrical switching performance

Detailed Description

Standard Ignition DS-987 is engineered for dependable lighting control in 1999-2004 Jeep Grand Cherokee models with fog lights and auto headlight control. It is also listed for 2001 Jeep Grand Cherokee vehicles with fog lights, automatic headlights, and U.S. emissions. The switch is built with copper alloy conductors to support strong electrical conductivity and low resistive loss, helping maintain consistent signal transfer across the lighting circuit. Standard Ignition DS-987 is a practical replacement for worn or failing headlight dimmer switches on Jeep Grand Cherokee vehicles that use integrated lighting and turn signal controls.

This part cross-references Standard Ignition DS-987 applications with 1S1827 and 53-58647 for the same vehicle coverage.

What It Helps Fix

• Intermittent or inoperative headlight dimmer function
• High beams that do not latch or flash correctly
• Fog light control issues at the switch
• Turn signal or indicator control problems at the column switch
• Lighting switch wear that causes inconsistent electrical contact

Installation Notes and Tips

Fits 1999-2004 Jeep Grand Cherokee, N/A, with fog lights and auto headlight control. Fits 2001 Jeep Grand Cherokee, N/A, with fog lights, auto headlights, and U.S. emissions. Verify the connector shape, terminal count, and lighting options before installation to confirm the correct application for your Jeep Grand Cherokee. This is a bolt-on replacement with a female rectangular connector and blade terminals.

Quality Assurance

Standard Ignition states that this switch is fully tested for both mechanical operation and electrical switching performance. The design uses robust materials and copper alloy conductors to support reliable service in demanding repair environments.