Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery cut-off switch. Refer to Energy Storage Box (ESB) Cut Off Switch Replacement (5.3L Engine w/RPO HP2) .
Disconnect the high current sensor electrical connector.
Remove the fuse power cable to high current sensor nut.
Remove the fuse power cable from the terminal.
Remove the high current sensor (2).

Fig 1: View Of High Current Sensor & Battery Cut-Off Switch (5.3L Engine w/RPO HP2)

Courtesy of GENERAL MOTORS CORP.