Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harness - Drive Unit - Front (Remove and Replace)

Tesla Model 3 2017-2025 Service Manual / Electrical / Harnesses / Harness - Drive Unit - Front (Remove and Replace)

Harness - Drive Unit - Front (Remove and Replace)

Remove

  1. Partially raise the vehicle to a comfortable working height. See Raise Vehicle - 2 Post Lift.
  2. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  3. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  4. Disconnect 12V power. See 12V Power (Disconnect and Connect).
  5. Fullly raise the vehicle.
  6. Remove the front aero shield panel. See Panel - Aero Shield - Front (Remove and Replace).

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the grey locking tab, and then press on the tab to disconnect the front drive unit logic connector near the LH side of the front subframe.

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the locking tab, and then push the handle downward to disconnect the front drive unit inverter logic connector.

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the red locking tab, and then press down on the tab to disconnect the resolver logic connector.

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the grey locking tab, and then press down on the tab to disconnect the oil pump connector.

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the clip that attaches the front drive unit harness to the front drive unit motor.

Other assemblies hidden for clarity
Other assemblies hidden for clarity

  1. Release the clips that attach the front drive unit harness to the front subframe.

Harness - Drive Unit - Front (Remove and Replace)

  1. Release the clips that attach the front drive unit harness to the inverter.
  2. Remove the front drive unit harness from the front subframe.

Install

Installation procedure is the reverse of removal, except for the following:

Caution:

Perform a push-pull test on the front drive unit harness connectors to verify that the connectors are fully attached.

    READ NEXT:

     Harness - Headliner (Remove and Replace)

    Remove Remove the headliner. See Headliner (Remove and Install). Disconnect the electrical harness from the LH headliner tweeter connector. Disconnect the electrical harness from the front ove

     Harness - Instrument Panel (Remove and Replace)

    Remove Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace). Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace). Remove the hood latch cov

     Harness - Main Front (Remove and Replace)

    Harness - Main Front- Remove Remove Open the front LH and front RH doors Open the hood. Place wheel chocks on both rear wheels. Put vehicle in Neutral. Disconnect 12V power. See 12V Power (Dis

    SEE MORE:

     Breathers - HV Battery (Remove and Replace)

    Remove Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace). Release the fir tree clips that attach the coolant hoses to the LH shear plate. Remove and discard the HV battery breather from the LH HV battery vent shroud assembly. Release the fir t

     Module - TPMS (Remove and Replace)

    Remove Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace). Remove the LH 2nd row seat side bolster. See Bolster - Side - Seat - 2nd Row - LH (Remove and Re

    © 2019-2025 Copyright www.tmodel3.com