Battery Service Disconnect Switch Replacement 5.3L Engine w/RPO HP2

Caution: To help avoid personal injury, disable the 36V system anytime you perform service work on or around the generator battery carrier. The 36V system will still be active after you have disabled the generator battery carrier.

Caution: To help avoid personal injury, always disconnect the 36V generator battery carrier before doing any work to the generator battery carrier system. To disconnect the generator battery carrier, turn the engine off and turn OFF the service disconnect switch, which is located on the passenger side of the generator battery carrier.

1. Remove the generator battery carrier intermediate cover. Refer to Battery Cover Replacement .
2. Disconnect the battery disconnect switch electrical connector (3).
3. Remove the battery disconnect switch nuts (2).



4. Remove the battery disconnect switch (1).

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.

1. Install the battery disconnect switch (1).

Notice: Refer to Fastener Notice in the Preface section.




2. Install the battery disconnect switch nuts (3).

Tighten
Tighten the nuts to 10 N·m (89 lb in).

3. Connect the battery disconnect switch electrical connector (3).
4. If a NEW switch was installed, use a scan tool and command the battery disconnect switch to the closed position.
5. Install the generator battery carrier intermediate cover. Refer to Battery Cover Replacement .