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:
Sensor - Temperature - LH (Remove and Replace)
Remove
Remove the driver floormat.
Remove the center console LH side carpet. See
Carpet - Side Panel - Center Console - LH (Remove and Replace).
Disconnect the LH temperature sensor electrical connector.
Release the tabs that attach the LH temperature sensor inside the HVAC
assembl
Cover - Outer Side - Driver Seat (Remove and Install)
SPECIAL TOOLS
Key, Seat Belt Release, Model 3 (1133787-00-A)
Remove
Open the LH front door.
Move the driver's seat fully forward, and adjust the seat cushion height
to maximum.
Caution:
Do not allow the seat headrest to compress the sun visor as it might
crack the mirror.
Insert the sea
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