Battery Charger and 14 V Power Module Maxi 20 A Fuse Replacement

Battery Charger and 14 V Power Module Maxi 20 A Fuse Replacement

Removal Procedure

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 includes the following steps:


* 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.


Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:


* Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.


* Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.


- Visually and functionally inspect the gloves before use.


- Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.


Failure to follow the procedures may result in serious injury or death.


Danger: The Volt Battery Pack will utilize an exchange program. Please consult the most recent revision of bulletin/PI #PIP4841, available in Service Information (SI), for a list of approved Volt Battery Pack service procedures. Components that may be removed and serviced without exchanging the complete battery pack are identified in the bulletin/PI. Please contact the GM Technical Assistance Center if you have any questions.


1. Disable the high voltage system. Refer to High Voltage Disabling High Voltage Disabling.




2. Remove the multiuse relay and fuse cover screws (1) from the drive motor battery.

3. Remove the multiuse relay and fuse cover (2).




4. Remove the battery protector (Insulator) (1).

5. Remove the 14 V power module 20 amp maxi-fuse (2).

6. Remove the battery charger 20 amp maxi-fuse (3).

Installation Procedure




1. Install the 14 V power module 20 amp maxi-fuse (2).

2. Install the battery charger 20 amp maxi-fuse (3).

3. Install the battery protector (Insulator) (1).

Caution: Refer to Fastener Caution Fastener Caution.

4. Install the multiuse relay and fuse cover (2) with screws (1). Tighten to 1.5 Nm (13 lb in).