<p>Includes: - Combination Switch</p> <p>Fits Models: - GMC Sierra 1500 HD</p> <p>Model Years: - 2003</p> <p>Submodels: - Common trims include SL, SLE, SLT; Body style: Crew Cab, Extended Cab, Regular Cab; Chassis code: GMT800</p> <p>Engine Options: - Compatible with standard engine options</p> <p>Description: This combination switch is designed specifically for the 2003 GMC Sierra 1500 HD, providing reliable control for various electrical functions. It is a direct replacement part that ensures proper fit and function, maintaining the integrity of your vehicle's electrical system.</p> <p>Features: - Direct fit replacement for easy installation - Controls headlights, turn signals, and wipers - Durable construction for long-lasting performance - Designed to meet OEM specifications</p> <p>Part Numbers: - ALX-PAU-SI-CBS-1149-CLB14</p>