Tesla Model 3: Harnesses
Tesla Model 3 2017-2026 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 and Replace)
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
SEE MORE:
Lights
Controlling Lights
Touch Controls > Lights on the touchscreen to
control the lights.
In addition to the lights that you can control
from the touchscreen, Model 3 has
convenience lights that operate automatically
based on what you are doing. For example, in
low ambient lighting conditions,
Car Computer (Remove and Replace)
Car Computer - Remove
SPECIAL TOOLS
Plug,Car Computer Fluid Port (1119171-00-A)
Kit, Battery Coolant Drain & Fill (1065131-00-A)
Kit, Computer Purge Adapters, Model 3 (1473522-00-A)
Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)
Remove
If "Tow Mode" is active, then disable "Tow Mode."
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