Description
LS Series Gen 4 Harness and ECM,TCM For Truck engine with electric throttle body, 58 tooth reluctor ring, and 6L80E/6L90E Includes new harness, re-flashed ECM (engine control module) and reflashed TCM (transmission control module). Note: The 6L80E/6L90E has the TCM built into the transmission valve body. Please call to coordinate re-flashing of your existing TCM. 4.8L Size Engine
