High Current Battery Temperature Sensor 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 battery cut-off switch. Refer to Battery Service Disconnect Switch Replacement .
2. Disconnect the high current sensor electrical connector.
3. Remove the fuse power cable to high current sensor nut.
4. Remove the fuse power cable from the terminal.
5. Remove the high current sensor (2).

Important:  The high current sensor orientation is VERY important. The sensor wiring MUST be pointed towards the rear of the vehicle, and also the etched numbers on one side of the sensor terminal MUST be on the battery cut-off switch side.

1. Install the high current sensor (2).
2. Install the fuse power cable to the terminal.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the fuse power cable to high current sensor nut.

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

4. Connect the high current sensor electrical connector.
5. Install the battery cut-off switch. Refer to Battery Service Disconnect Switch Replacement .