Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harness - HV Battery to Rear Drive Unit - Remove

Tesla Model 3 2017-2025 Service Manual / High Voltage System / HV Harnesses / Harness - HV Battery to Rear Drive Unit (Remove and Replace) / Harness - HV Battery to Rear Drive Unit - Remove

SPECIAL TOOLS

Lever Lock, HV Connector, Model 3 (1140311-00-A)

Remove

  1. Remove the rear subframe assembly. See Subframe Assembly - Rear (Remove and Install).

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Disconnect the electrical harness from the inverter low voltage connector.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Release the clip that attaches the low voltage electrical harness to the inverter.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Release the clip, disconnect the rear drive unit inlet hose from the inverter coolant inlet, and then plug the inlet.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Release the clip that attaches the rear drive unit inlet hose to the HV harness bracket, and then remove the hose from the rear drive unit.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Remove the bolt that attaches the HV harness bracket to the inverter.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Slide the release to unlock the HV harness connector.

  Harness - HV Battery to Rear Drive Unit - Remove

  1. Lift the handle on HV harness connector, disconnect the harness from the inverter connector, and then remove the harness from the rear drive unit.

    READ NEXT:

     Harness - HV Battery to Rear Drive Unit - Install

    Install Fully raise the handle on the rear drive unit HV electrical harness.  

     External Charging Connectors

    Mobile Connector Firmware Update - CHAdeMO Charging Adapter CAN Setup Connect the USB-CAN dongle to a laptop that is equipped with Toolbox Connect the CHAdeMO CAN programming connector to the USB-CAN

    SEE MORE:

     Antenna - GPS

    Antenna - GPS (Remove and Replace) Remove Remove the forward facing camera. See Camera - Forward Facing (Remove and Replace). Disconnect the electrical harness from the humidity and temperature sensor connector. Disconnect the electrical harness from the GPS antenna connector.

     Speaker - Emergency (Remove and Replace)

    Remove Remove the RH footwell cover. See Cover - Footwell - Passenger (LHD) (Remove and Replace). Disconnect the electrical connector for the emergency speaker. Release the screws that attach the emergency speaker to the RH footwell cover, and then remove the emergency speaker.

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