Express 3500 V8-6.6L DSL Turbo (2008)
Route the remaining six wires (1) that were previously pushed through the grommet along the side of the existing under hood harness to the UBEC
connector X3.
Locate the UBEC connector X3 (1) (gray in color 62 cavities).
Remove the bottom plastic protector cover from connector X3 by releasing the four retaining tabs (1).