Tesla Model 3 Owners & Service Manuals

Tesla Model 3: 12V Power - Connect

Tesla Model 3 2017-2025 Service Manual / Electrical / 12V Battery and Fuses / 12V Power (Disconnect and Connect) / 12V Power - Connect

Connect

12V Power- Connect

  1. Remove the logic connector cap from the high voltage controller connector.

12V Power- Connect

  1. Connect the electrical harness to the high voltage controller connector.

12V Power- Connect

  1. Install the foam cover to the RH side of the penthouse.
  2. Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).

12V Power- Connect

  1. Connect the 12V battery negative cable to the battery, and then tighten the nut which secures the terminal clamp around the battery post. Ensure that the terminal clamp is fully seated down on the battery post before tightening. Torque 6 Nm
  2. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  3. Press the brake pedal to turn on vehicle power.
  4. Remove the shop towels from the rear door strikers.
  5. Close the rear doors.
  6. Return the windows, seats, climate control, audio, and charging to the state before service.

    READ NEXT:

     Battery - 12V (Remove and Replace)

    Remove Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace). Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace). Remove

     Beam - 12V Battery (Dual Motor) (Remove and Replace)

    Remove Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace). Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace). Remove

     Beam - 12V Battery (RWD) (Remove and Replace)

    SEE MORE:

     Passthrough - DCDC - 12V- Install

    Install Use an IPA wipe to clean the mating surfaces of the DCDC passthrough, and the DCDC harness. Install the 12V DCDC passthrough into the penthouse, install the bolts that attach the 12V DCDC passthrough to the penthouse, and then mark the bolts with a paint pen after they are torq

     Door - Front - LH (Remove and Replace)

    Remove Disconnect 12V power. Remove the LH front door trim panel. Remove the LH front door inner belt seal. Remove the LH front door outer belt seal. Remove the LH front window motor/regulator assembly. Remove the LH door exterior release handle. Remove the LH front door latch. Remove

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