Adapter Wiring Harness for GMC Sierra 2003-2007

Includes: - Wiring Harness Adapter

Fits Models: - GMC Sierra

Model Years: - 2003–2007

Submodels: - Common trims include SL, SLE, SLT, Denali; Chassis codes include GMT800 and GMT900; Body styles include Regular Cab, Extended Cab, and Crew Cab.

Engine Options: - Common engine sizes include 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, and 6.6L Duramax Diesel; Engine codes include L33, LM7, L59, LQ4, and LBZ.

Description: This Wiring Harness Adapter is designed for GMC Sierra models from 2003 to 2007, facilitating seamless integration of aftermarket components. It ensures a reliable connection for various electrical systems, enhancing functionality and performance.

Features: - Direct fit for GMC Sierra 2003–2007 - Simplifies installation of aftermarket accessories - Durable construction for long-lasting use - Ensures reliable electrical connections - Compatible with multiple engine options