<div data-store-description="v1"> <p>Upgrade Wire Harness for Dual Electric Fans - Silverado Sierra 1999-2006. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: <br>- Dual Electric Fan Upgrade Wire Harness</p> <p>Fits Models: <br>- Chevrolet Silverado 1500, 2500, 3500 <br>- GMC Sierra 1500, 2500, 3500 <br>- Chevrolet Tahoe <br>- GMC Yukon <br>- Cadillac Escalade</p> <p>Model Years: <br>- 1999–2006</p> <p>Submodels: <br>- Common trims include WT, LS, LT, LTZ, Denali <br>- Chassis codes: GMT800, GMT900 <br>- Body styles: Crew Cab, Extended Cab, SUV</p> <p>Engine Options: <br>- Common engine sizes: 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 8.1L V8 <br>- Engine codes: L33, LM7, LQ4, LQ9</p> <p>Description: <br>This Dual Electric Fan Upgrade Wire Harness is designed for seamless installation in various GM trucks and SUVs from 1999 to 2006. It enhances cooling efficiency by allowing the use of dual electric fans, improving engine performance and longevity.</p> <p>Features: <br>- Direct fit for specified models <br>- Upgrades cooling system efficiency <br>- Simplifies installation with pre-wired connectors <br>- Compatible with factory and aftermarket electric fans <br>- Durable construction for long-lasting performance</p>