Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harness - 12V Battery Positive- Remove

Tesla Model 3 2017-2025 Service Manual / Electrical / Harnesses / Harness - 12V Battery Positive (Remove and Replace) / Harness - 12V Battery Positive- Remove

Harness - 12V Battery Positive- Remove

Remove

  1. Remove the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).
  2. Remove the 12V auxiliary battery. See Battery - 12V (Remove and Replace).
  3. Remove the 12V battery bracket. See Bracket - 12V Battery (RWD) (Remove and Replace).

Harness - 12V Battery Positive- Remove

  1. Remove the bolt that attaches the thermal harness cover to the front body controller module, and then remove the cover from the module.

Harness - 12V Battery Positive- Remove

  1. Disconnect the thermal harness from the front body controller module connector.

Harness - 12V Battery Positive- Remove

  1. Release the clip that attaches the suction/liquid lines to the body near the TXV, and then move the electrical harness aside to gain access to the front body controller module.

Harness - 12V Battery Positive- Remove

  1. Remove the bolts (x9) that attach the front body controller module cover to the front body controller module, and then remove the cover.

Harness - 12V Battery Positive- Remove

  1. Remove and discard the nut that attaches the battery positive cable to the front body controller module, and then remove the cable.

    READ NEXT:

     Harness - 12V Battery Positive- Install

    Install Install the battery positive cable to the front body controller module, and then install a new nut to attach the cable to the module.   Torque 8.5 Nm Visually inspect that th

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    Remove Remove the sill rear trunk trim. See Trim - Sill - Trunk (Remove and Replace). Remove the 2nd row LH seat back assembly. See Seat Back - 2nd Row - LH (Remove and Install). Remove the 2n

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     Prepare for Adjustment

    SPECIAL TOOLS SEAT COVER (1096767-00-A) Ballast Bag, 25lb (1145158-00-A) CHASSIS HEIGHT MEASURING TOOL (1071271-00-A) STEERING WHEEL LEVEL (1049463-00-A) Prepare for Adjustment Make sure the tire pressures are to specification. Note: Use the tire sticker values displayed on the door jam. If unav

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      Remove Perform the vehicle electrical isolation procedure. See Vehicle Electrical Isolation Procedure. Remove the LH trunk side trim. See Trim - Side - Trunk - LH (Remove and Replace).

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