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Drive Motor Battery Control Module Harness Replacement

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Drive Motor Battery Control Module Harness
GM1971854Courtesy of GENERAL MOTORS CORP.
Callout Component Name
WARNING: 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:

  1. Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling .
  2. 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 .
  3. Remove the drive motor battery positive and negative cable assembly. Refer to Drive Motor Battery Positive and Negative Cable Replacement .
1 Battery Negative Cable Ground Nuts (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  5 N.m (44 lb in)

2 Battery Cable Clip
3 Drive Motor Battery Control Module Harness
Tip:  If foam drive motor battery cooling air outlet duct seals are damaged during removal or installation of harness, NEW seals must be used.
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 .