Drive Motor Battery 300-Volt Positive and Negative Cable 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 300-Volt Positive and Negative Cable

Courtesy 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: Disable the high voltage at both the drive motor generator battery assembly and the drive motor generator control module assembly. Refer to High Voltage Disabling . Remove the right front fender bracket. Refer to Front Fender Rear Upper Bracket Replacement . Remove the control module sight shield. Refer to Drive Motor Generator Control Module Sight Shield Replacement . Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side . Remove the electric power steering control module. Refer to Electronic Power Steering Motor Control Module Replacement . Remove the rear muffler insulator and 2 catalytic converter bolts. Refer to Muffler Replacement (LFA With Norma Flange) or Muffler Replacement (LFA Without Norma Flange) . Remove both resonator insulators. Refer to Resonator Replacement (LFA) .
1	Drive Motor Battery 300 Volt Negative Cable Terminal Fastener (Qty: 3) NOTE: Refer to Fastener Notice . Tighten: 9 N.m (80 lb in)
2	Drive Motor Battery 300 Volt Positive and Negative Cable Procedure:: Remove terminals from studs.
3	300 Volt Positive and Negative Cable Front Elbow Hinge Panel (Qty: 3) Tip: Remove and replace plastic tie straps. Open all panels on cable front elbow.
4	300V Positive and Negative Cable Retainer
5	300V Positive and Negative Cable Front Elbow
6	300V Positive and Negative Cable Nut (Qty: 5) Tighten: 10 N.m (89 lb in)
7	Drive Motor Battery 300 Volt Cable Floor Grommet Nut (Qty: 2) Tighten: 9 N.m (80 lb in)
8	Drive Motor Battery 300 Volt Positive and Negative Cable Procedure: Push the drive motor battery 300 volt positive and negative cable through the floor grommet. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Pull cable rearward to remove cable from floor. Push cable forward of the rear cross member. Pull the cable out from under the rear cross member.
9	Cable Gasket Procedure:: After the cable has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling . Tip: New gasket must be used.