Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harness - AC Inlet - HV Battery- Remove

Tesla Model 3 2017-2025 Service Manual / Battery System / HV Battery Electrical Components / Harness - AC Inlet - HV Battery (Remove and Replace) / Harness - AC Inlet - HV Battery- Remove

Harness - AC Inlet - HV Battery (Remove and Replace)

SPECIAL TOOLS

Resistance meter, microohm, Hioki RM 3548 (1076927-00-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 gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

Remove

  1. Remove the HV battery fast charge contactor. See Contactor - Fast Charge - HV Battery (Remove and Replace).

Harness - AC Inlet - HV Battery- Remove

  1. Release the clips that attach the AC inlet terminal covers over the negative and positive ring terminals, and then remove the covers.

Harness - AC Inlet - HV Battery- Remove

  1. Remove and discard the bolts that attach the negative and positive ring terminals to the busbars.

Harness - AC Inlet - HV Battery- Remove

  1. Release the clips (x8) that attach the HV battery fast charge contactor cover to the HV battery fast charge contactor, and then remove the cover with the HV battery AC inlet harness from the contactor.

Caution: The cover is a one-time use as the clips are fragile and break easily.

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