<div data-store-description="v1"> <p>Product information for 5 Speed Transmission Wiring Harness for Chevy GMC Duramax 1999-2003.</p> <h3>Item information</h3> </div> <p>Includes: <br>- Wiring Harness</p> <p>Fits Models: <br>- Chevrolet Silverado 2500 HD, 3500 HD <br>- GMC Sierra 2500 HD, 3500 HD</p> <p>Model Years: <br>- 1999–2003</p> <p>Submodels: <br>- Common trims include WT (Work Truck), LS, LT <br>- Chassis codes: GMT800 <br>- Body styles: Crew Cab, Extended Cab, Regular Cab</p> <p>Engine Options: <br>- 6.6L Duramax Diesel (LB7, LLY)</p> <p>Description: <br>This wiring harness is designed for 1999–2003 Chevrolet and GMC Duramax trucks equipped with a 5-speed transmission. It ensures proper electrical connections for optimal performance and reliability.</p> <p>Features: <br>- Direct fit for specified models <br>- Durable construction for long-lasting use <br>- Facilitates seamless transmission operation <br>- Easy installation with factory connectors <br>- Compatible with Duramax diesel engines</p>