Tesla Model 3 Owners & Service Manuals

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

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

Install

Harness - 12V Battery Positive- Install

  1. 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

Harness - 12V Battery Positive- Install

  1. Visually inspect that the power cables exit the front body controller module neatly in their respective channels, and parallel to each other.

Caution:

Make sure that no cables or wires will be pinched when the front body controller module cover is installed.

Harness - 12V Battery Positive- Install

  1. Install the front body controller module cover to the front body controller module, and then install the bolts (x9) that attach the cover to the module. Torque 6 Nm

Harness - 12V Battery Positive- Install

  1. Connect the thermal harness to the front body controller module connector.

Harness - 12V Battery Positive- Install

  1. Fasten the clip that attaches the suction/liquid lines to the body near the TXV.

Harness - 12V Battery Positive- Install

  1. Install the thermal harness cover to the front body controller module, and then install the bolt that attaches the cover to the module.  Torque 6 Nm
  2. Install the 12V battery bracket. See Bracket - 12V Battery (RWD) (Remove and Replace).
  3. Install the 12V auxiliary battery. See Battery - 12V (Remove and Replace).
  4. Install the cowl screen panel. See Panel - Cowl Screen (Remove and Replace).

    READ NEXT:

     Harness - Body - LH (Remove and Replace)

     Harness - Body - LH- Remove

    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

     Harness - Body - LH- Install

    Install Install the LH body harness into the vehicle. Install a new bolt to attach the electrical harness ground strap to the body in the charge port area. Torque 8 Nm Connect the electr

    SEE MORE:

     Controlling the Passenger Front Airbag

    Model 3 has an occupancy sensor in the front passenger seat that controls the status of the front airbag. Note: The occupancy classification system (OCS) meets the regulatory requirement of FMVSS 208 and automatically detects when inflating the passenger front airbag would be unnecessary or

     Braking Systems

    Warning: Properly functioning braking systems are critical to ensure safety. If you experience a problem with the brake pedal, brake caliper, or any component of a Model 3 braking system, contact Tesla immediately. Model 3 has an anti-lock braking system (ABS) that prevents the wheels from lo

    © 2019-2025 Copyright www.tmodel3.com