Tesla Model 3: Harness - 12V Battery Positive (Remove and Replace)
Harness - 12V Battery Positive- Remove

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

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

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

- 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.

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

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

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 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.

- 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

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

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

- 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
- Install the 12V battery bracket. See
Bracket - 12V Battery (RWD) (Remove and Replace).
- Install the 12V auxiliary battery. See
Battery - 12V (Remove and Replace).
- Install the cowl screen panel. See
Panel - Cowl Screen (Remove and Replace).
READ NEXT:
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
SEE MORE:
Note: This procedure was formulated using a release candidate or
production model. Follow safety requirements and use extreme caution when
working on or near high-voltage systems and components
SPECIAL TOOLS
Tool, Inductive Heating (1032900-00-A)
Remove
Remove the 2nd row lower seat cush
Spring - Rear Suspension - LH - Remove
SPECIAL TOOLS
Tool, Spring Compressor, Hook, Model 3
(1135103-00-A)
Remove
Raise and support the vehicle on a 2 post lift. S