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:
Valance - Front Fascia (Remove and Replace)
Remove
Remove the front aero shield panel.
Release the clips (x2) that attach the valance to the stabilizer bar
brackets.
Remove the push clips (x4) that attach the LH and RH sides of the
valance to the wheel liners.
Note: Remove the outer clips as necessary to allow for easier
ac
Sensor - Radar - Front (Calibration)
Calibrate
Perform a 4-wheel alignment. See Four Wheel Alignment (Check and Adjust).
Connect a laptop with Toolbox to the vehicle.
With an assistant, use Toolbox to perform a radar drive cycle
calibration:
For new radar applications, proceed to step 4.
For existing radar applications,
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