Tesla Model 3 Owners & Service Manuals

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

Tesla Model 3 2017-2024 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).

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