Transmission Wiring Harness for GMC Sierra 2500 3500 (2003–2006)

Includes: - Transmission Wiring Harness

Fits Models: - GMC Sierra 2500 - GMC Sierra 3500

Model Years: - 2003–2006

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

Engine Options: - Common engine sizes include 6.0L V8 (LQ4), 8.1L V8 (L18), 5.3L V8 (LM7), and 6.6L Duramax Diesel (LB7, LLY)

Description: This Transmission Wiring Harness is designed specifically for GMC Sierra 2500 and 3500 models from 2003 to 2006. It ensures proper electrical connections for the transmission, facilitating smooth operation and reliability.

Features: - Direct fit for specified GMC models - High-quality materials for durability - Ensures optimal transmission performance - Easy installation with factory connectors - Designed to meet or exceed OEM specifications