Drive Motor Battery Control Module Harness Replacement. GMC Truck Sierra Denali 2009

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Drive Motor Battery Control Module Harness 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 cover, front cover, and right side cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement.
Remove the drive motor battery positive and negative cable assembly. Refer to Drive Motor Battery Positive and Negative Cable Replacement.

Drive Motor Battery Control Module Harness Ground Nut (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
5 N·m (44 lb in)

Battery Cable Clip

Drive Motor Battery Control Module Harness

Procedure

After the harness has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling.

Tip
If foam drive motor battery cooling air outlet duct seals are damaged during removal or installation of harness, NEW seals must be used.