Generator Battery Vent Fan Relay Replacement. GMC Truck Sierra Denali 2009

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Generator Battery Vent Fan Relay Replacement

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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 and the front cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .

Generator Battery Vent Fan Relay

Procedure:

After relay has been replaced, enable the HV system. Refer to High Voltage Enabling .