Drive Motor Battery Inverter Current Limit Resistor Replacement. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Drive Motor Battery Inverter Current Limit Resistor 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 side covers. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .

Drive Motor Battery Cable Terminal Nut

Notice: Refer to Fastener Notice in the Preface section.

Tighten
5 N·m (44 lb in)

Drive Motor Battery Positive Relay Cable Assembly

Caution: High Voltage (HV) cables are not repairable. After disconnecting HV cables, protect and insulate ring terminal ends immediately with the EL-48569 terminal covers and UL® Listed, or equivalent, insulation tape rated at a minimum of 600 volts. Damage caused to unprotected terminal ends will result in cable replacement.

Special Tools

EL-48569 Terminal Covers

Drive Motor Battery Current Limit Resistor Nut (Qty: 2)

Tighten
3 N·m (27 lb in)

Wiring Harness Connector

Drive Motor Battery Power Inverter Current Limit Resistor Assembly

Procedure:

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