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.

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