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:
Subframe Assembly - Rear - Remove
SPECIAL TOOLS
Kit, EPB Release, Handheld (1134520-00-A)
XP-10 Power Supply, XP-10 (1129348-00-A)
Fixture, Subframe, Model 3 (1099645-00-B)
Lever Lock, HV Connector, Model 3 (1140311-00-A)
Remove
Use Toolbox to release the rear parking brakes. See Parking Brake -
Caliper - Rear - LH (Release).
Sensor - Relative Humidity and Temperature (Remove and Replace)
Remove
Remove the lower quad camera cover. See Quad Camera Cover - Lower
(Remove and Replace).
Remove the rear view mirror. See Mirror - Rear View (Remove and
Replace).
Remove the forward facing camera. See Camera - Forward Facing (Remove
and Replace).
Disconnect the electrical co
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