<div data-store-description="v1"> <p>Headlight Switch DS290 for Chevrolet GMC C1500 K1500 1988-1991. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Headlight Switch</p> <p>Fits Models: - Chevrolet C1500, K1500, C2500, K2500, K3500 - GMC C1500, K1500, C2500, K2500, K3500</p> <p>Model Years: - 1988–1991</p> <p>Submodels: - Common trims include Base, SL, and Sierra - Chassis codes: GMT400 - Body styles: Regular Cab, Extended Cab, Crew Cab</p> <p>Engine Options: - Common engine sizes include 4.3L V6, 5.0L V8, 5.7L V8, and 7.4L V8 - Engine codes: L35, L31, L19, and L29</p> <p>Description: This headlight switch is designed for Chevrolet and GMC trucks from 1988 to 1991, providing reliable control for your vehicle's lighting system. It is a direct replacement for worn or malfunctioning switches, ensuring optimal performance and safety.</p> <p>Features: - Direct fit for specified models - Durable construction for long-lasting use - Easy installation with no modifications required - Restores full functionality to headlight system - Compatible with various trims and engine options</p>