Tesla Model 3: Harnesses
Tesla Model 3 2017-2025 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:
Lane Assist
The Autopilot cameras and ultrasonic sensors
monitor the markers on the lane you are
driving in as well as the areas surrounding
Model 3 for the presence of vehicles or other
objects.
When an object is detected in your blind spot
or close to the side of Model 3 (such as a
vehicle, guard rai
Ski - Center Rail - HV Battery (Dual Motor) (Remove and Replace)
Ski - Center Rail - HV Battery (Dual Motor)-Remove
SPECIAL TOOLS
Lever Lock, HV Connector, Model 3 (1140311-00-A)
Warning:
Only technicians who have been trained in High Voltage Awareness are
permitted to perform this procedure. Proper personal protective equipment (PPE)
and insulating HV glove
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