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:
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."
Mirror - Rear View (Remove and Replace)
Remove
Remove the lower quad camera cover. See
Quad Camera Cover - Lower (Remove and Replace).
Grip the rear view mirror stalk, and then turn counterclockwise to
release the rear view mirror.
Caution:
Do not turn the rear view mirror itself.
Disconnect the electrical connector f
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