Dacall Headlight Dimmer Switch for 2003-2006 Chevy Silverado/Suburban 1500/2500 — OEM-fit, Plug-in

Dacall’s replacement headlight dimmer switch restores full headlight, parking light, dome light, and dashboard backlight control for compatible 2003–2006 GM trucks and SUVs.

If your Chevy, GMC, Cadillac or Hummer dash switch has failed, this direct-fit Dacall headlight switch is built to meet OEM fit and function so you can regain reliable lighting control without modifying factory wiring. Manufactured from heat- and wear-resistant ABS plastic, the unit offers smooth, responsive rotation and a tactile push for fog or dome light functions. It ships with a removal tool and plugs directly into the factory connector, cutting installation time and avoiding complex rewiring.

Will this switch fit my vehicle?

This Dacall headlight switch is designed to match OEM specifications for a range of GM models from the early 2000s. Compatibility covers 2003–2006 Cadillac Escalade; Chevy Silverado, Suburban, Avalanche 1500/2500 and Tahoe; GMC Sierra and Yukon; plus select 2007 Silverado & Sierra Classic and 2003–2007 Hummer H2 models. Always confirm the appearance and OEM part number of your existing switch before ordering.

• Replaces OEM numbers: 15176678, 15194803, 15198374, 15206042, 15762307, 19381535
• Also referenced as D1595G and 1S8489 in some catalogs
• Fits vehicles using the same connector shape and pin layout as original

How durable and responsive is this replacement switch?

The housing is molded from premium ABS plastic to resist heat, abrasion, and daily use, while internal contacts are engineered for consistent electrical engagement. Users report a smooth rotary feel and accurate dimming control for instrument panels and headlights. This durability aims to provide long service life comparable to factory components.

• ABS construction for heat and wear resistance
• Responsive rotary operation for quick brightness adjustments
• Engineered contact points to reduce intermittent failures

Is installation difficult and what’s included?

Installation is plug-and-play and intended to be completed without special wiring tools: remove the old switch, unplug the factory connector, and insert the new module. Dacall includes a small removal tool to simplify extraction of the defective switch from the dash opening. If the connector and pin layout match your original unit, the swap is straightforward for a DIYer or professional.

• Package contents: 1 x headlight switch, 1 x removal tool
• No splicing required when connector type matches OEM
• Follow appearance and pin-type checks prior to purchase

What lighting functions does the switch control?

This multi-function switch provides button and rotary control over essential exterior and interior lighting features. It operates headlight low beams, parking lights, dome light activation, and dashboard backlighting dimming. The switch is designed to duplicate factory controls so your vehicle retains original functionality.

• Headlight low beam engagement and toggling
• Parking light on/off positions
• Dome light and interior illumination control
• Instrument panel brightness adjustment

Who this product is for: Drivers who own compatible early-2000s GM trucks and SUVs and need a reliable, OEM-style replacement for a worn or faulty headlight dimmer switch. It’s ideal for DIY mechanics wanting a straightforward plug-and-play swap, fleet maintenance teams replacing aged switches, or anyone restoring dash functionality to factory specifications. Before purchasing, verify the original part’s appearance and pin configuration to ensure an exact match; contact Dacall support for help if you’re unsure.