2003-2007 LS Vortec Standalone Wiring Harness Drive By Wire 4L80E DBW 4.8 5.3. New For LS3 2003-2007 4.8 5.3L 6.0L DBW Stand Alone Wiring Harness Drive By Wire. 1 x Stand alone Wire Harness. Remove the old harness from the original car, install a new harness, and dock the corresponding plugs for plug and play.
