Installation 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.

IMPORTANT: A NEW battery cut off switch comes in the open position for safety concerns. The service part will need to be closed with a scan tool after the part has been installed.

Install the battery cut-off switch (1).

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

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the battery cut off switch nuts (3).
Tighten: Tighten the nuts to 10 N.m (89 lb in).
Connect the battery cut-off switch electrical connector (3).

Fig 2: View Of Battery Cut-Off Switch, Electrical Connectors & Nuts (5.3L Engine w/RPO HP2)

Courtesy of GENERAL MOTORS CORP.

If a NEW switch was installed, use a scan tool and command the battery cut-off switch to the closed position.
Install the ESB intermediate cover. Refer to Energy Storage Box (ESB) Intermediate Cover Replacement (5.3L Engine w/RPO HP2) .