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:
Hose - Supply - Powertrain (Remove and Replace)
Remove
Remove the HV battery. See HV Battery (RWD) (Remove and Install).
Release the clip and disconnect the powertrain supply hose fitting from
the RH underside of the penthouse.
Release the clips (x5) that attach the powertrain supply (upper) hose to
the RH side of the HV battery,
Harness - Headliner (Remove and Replace)
Remove
Remove the headliner. See Headliner (Remove and Install).
Disconnect the electrical harness from the LH headliner tweeter
connector.
Disconnect the electrical harness from the front overhead console
connector.
Disconnect the electrical harness from the RH headliner tweeter
connec
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