Reeoutdoor Headlight Switch Replacement for 2003–2007 Chevy GMC Cadillac — Direct-Fit, Auto & Manual Control

Reeoutdoor's upgraded headlight switch replaces factory units in select 2003–2007 Chevy, GMC and Cadillac trucks and SUVs to restore automatic and manual headlight control.

If your dash headlight knob is worn, intermittent, or no longer operates the auto, parking, or main beam functions, this direct-fit replacement is built to match OE mounting, electrical connections, and switch positions. The unit is compatible with a range of GM part numbers and vehicle models, and it arrives tested for installation-ready performance. Below you'll find concise answers to the most common buyer questions, plus clear specifics to confirm fit and features before you order.

Will this switch fit my Chevy, GMC, or Cadillac model?

Check the model years and part numbers to confirm compatibility. The switch fits many GM trucks and SUVs produced in the 2003–2007 range; cross-reference your vehicle's year and existing part number to be sure.

• Compatible models include: 2003–2006 Silverado 1500, 2003–2007 GMC Sierra, 2003–2006 Cadillac Escalade and Escalade ESV, 2003–2006 Avalanche 1500/2500.
• Manufacturer part numbers supported: 19381535, D1595G, 15194803, 1802-311218, 1S8489, 53-22773.
• Confirm by matching your original switch's shape, mounting tabs, and electrical connector.

How easy is it to install the replacement headlight switch?

Installation is straightforward for DIYers familiar with basic dash trim removal. The switch is designed as a direct replacement so it uses the same connector and mounting points as the factory part, minimizing modification.

• No special tools are typically required beyond a trim pry tool and Phillips/flat screwdrivers.
• Installation steps: remove dash trim, unplug old switch, swap units, reconnect, and test functions.
• If uncertain, a local auto technician can complete the swap quickly.

What controls and features does this upgraded switch provide?

This unit restores the main headlight and automatic lighting functions found on the original equipment switch. It supports parking lights, headlights, and the auto-on setting, returning full control to the driver.

• Auto function for automatic headlights when equipped on the vehicle.
• Standard positions for off, parking lights, and headlights.
• Built and tested to match the performance and feel of the OEM switch.

What about warranty, testing, and support?

Each switch is tested before shipment to reduce the chance of installation problems, and Reeoutdoor stands behind the product with a limited warranty. Customer support is available if you have questions about fitment or installation.

• All units are bench-tested for electrical continuity and switch operation prior to shipping.
• Three-month warranty included; contact Reeoutdoor for support or returns.
• Customer service provided for quick replies on compatibility or installation questions.

Who is this for? This upgraded headlight switch is intended for owners and mechanics who need a cost-effective, reliable replacement for a failed or worn headlight control in compatible Chevy, GMC, or Cadillac models from the mid-2000s. It’s ideal for DIY vehicle owners who want a direct-fit unit that restores automatic and manual headlight functionality without complex wiring changes, as well as repair shops seeking a tested aftermarket option that matches key OE part numbers.

Features at a glance:

• Replacement headlight switch with auto function—verify identical part before ordering.
• Vehicle fitment: 2003–2006 Silverado 1500; 2003–2007 GMC Sierra; 2003–2006 Cadillac Escalade and Escalade ESV; 2003–2006 Avalanche 1500 & 2500; and other compatible GM models.
• Supported manufacturer part numbers: 19381535, D1595G, 15194803, 1802-311218, 1S8489, 53-22773.
• Bench-tested for reliable installation and operation.
• Three-month warranty and Reeoutdoor customer support for fitment questions.