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Drive Motor Power Inverter Current Limit Relay 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 Power Inverter Current Limit Relay
GM1971846Courtesy 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, front, and right side covers. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .
1 Wiring Harness Connector (Qty: 4)
2 Drive Motor Battery Positive Relay Nuts (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  3 N.m (27 lb in)

3 Drive Motor Battery Inverter Current Limit Relay
Procedure:: 
After the relay has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling .