Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

If necessary, remove the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, AND 6.0L (RPO LQ4) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (RPO LQ9) in Engine Mechanical - 8.1L.
Remove the engine wiring harness ground bolt.
Reposition the engine wiring harness ground and ground strap.

Fig 1: Removing Engine Wiring Harness Ground Bolt
Courtesy of GENERAL MOTORS CORP.
Remove the ground strap nut from the stud at the front of dash.
Remove the ground strap from the stud.

Fig 2: Removing Ground Strap Nut From Stud
Courtesy of GENERAL MOTORS CORP.