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:
Panel - Door Trim - Front - LH (Remove and Install)
Panel - Door Trim - Front - LH (Remove and Install) - Remove
Remove
Open the front LH door, and fully lower the window.
Remove the front LH door tweeter. See
Tweeter - Front Door - LH (Remove and Replace).
Remove the LH front door puddle light. See
Puddle Light - Front Door - LH (Remov
Serial Numbers
Tesla labels or engraves serial numbers on its parts. Tesla serial numbers
are 14 digits and alphanumeric. Tesla serial numbers are encoded.
Use this system to decode a Tesla serial number:
Digits 1-3
Build
Site Code
***
= Unique 3 character code assigned by Tesla to
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