Drive Motor Battery Positive and Negative Cable Replacement. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Drive Motor Battery Positive and Negative Cable Replacement

Callout

Component Name

Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure will perform the following tasks:

•	Identify how to disable high voltage.

•	Identify how to test for the presence of high voltage.

•	Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures

Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling.
Remove the upper, front, and right cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement.
Remove the drive motor battery high voltage manual disconnect knob housing. Refer to Drive Motor Battery High Voltage Manual Disconnect Knob Housing Replacement.
Remove the battery cooling air outlet duct assembly. Refer to Drive Motor Battery Cooling Air Outlet Duct and Front Air Outlet Duct Replacement.

Drive Motor Battery Cooling Air Outlet Duct Seal

Drive Motor Battery Cable Terminal Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
5 N·m (44 lb in)

Drive Motor Battery Positive and Negative (w/Wiring Harness) Cable Assembly

Procedure

Disconnect the Electrical Connector
After the positive and negative cable assembly has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling.