Tesla Model 3: Harnesses
Tesla Model 3 2017-2025 Service Manual / Electrical / Harnesses
- Busbar - DCDC Ground (Remove and Replace)
- Harness - 12V Battery Ground (Remove and Replace)
- Harness - 12V Battery Positive (Remove and Replace)
- Harness - Body - LH (Remove and Replace)
- Harness - Body - RH (Remove and Replace)
- Harness - Door - Front - LH (Remove and Replace)
- Harness - Door - Rear - LH (Remove and Replace)
- Harness - Drive Unit - Front (Remove and Replace)
- Harness - Headliner (Remove and Replace)
- Harness - Instrument Panel (Remove and Replace)
- Harness - Main Front (Remove and Replace)
- Harness - Subframe - Rear (Remove and Replace)
- Harness - Thermal Beam (Remove and Replace)
- Harness - Trunk (Remove and Replace)
- Harness - Windshield (Remove and Replace)
READ NEXT:
Busbar - DCDC Ground (Remove and Replace)
Remove
Disconnect 12V power. See
12V Power (Disconnect and Connect).
Remove and discard the nut that attaches the DCDC ground busbar to the
HV battery at the DCDC passthrough.
Remove
Harness - 12V Battery Ground-Remove
Remove
Remove the cowl screen panel. See
Panel - Cowl Screen (Remove and Replace).
Remove and discard the nut that attaches the front harness ground wire
to the 12V battery ground harness,
SEE MORE:
Applique - B-Pillar - LH (Remove and Replace) -
Install
Install
Connect the camera connectors to the B-pillar applique, and then
position the applique onto the vehicle.
Install the bolts that attach the B-pillar applique to the body.
Torque 5 Nm
Position the B-pillar applique fastener cover onto the vehicle, and then
engage th
Harness - Windshield- Install
Install
Secure the clips that attach the windshield harness to the RH A-pillar.
Connect the windshield harness electrical connectors.
Install the forward facing camera. See Camera - Forward Facing (Remove
and Replace).
Secure the windshield harness with the clips along the top of th
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