Tesla Model 3: Harness - Penthouse - HV Battery (Remove and Replace)
Tesla Model 3 2017-2025 Service Manual / Battery System / HV Battery Electrical Components / Harness - Penthouse - HV Battery (Remove and Replace)
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Harness - Penthouse - HV Battery- Remove
SPECIAL TOOLS
Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)
Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A)
Skt, 1/4" Sq Dr, 13mm, HV Insulated (1057606-00-A)
Magnet, Flexible, HV Insulated
Harness - Penthouse - HV Battery- Install
Install
Lay the HV battery penthouse harness down inside of the penthouse.
Note: The large fast charge contactor connector goes on the LH side
near the LH passthrough to the HV battery.
Install
HV Battery Contactor Seize Check
SPECIAL TOOLS
Insulation Multimeter Fluke 1587 FC (1076921-00-A)
Warning: Remove all jewelry (watches, bracelets, rings, necklaces,
earrings, ID tags, piercings, etc.) from your person, and all obj
SEE MORE:
During Charging
During charging, the charge port light (the
Tesla "T" logo) pulses green, and the
touchscreen displays the charging status. The
frequency at which the charge port light
pulses slows down as the charge level
approaches full. When charging is complete,
the light stops pulsing and is so
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 the bolt that attaches the DCDC ground busbar to the body, and
then remove the DCDC ground busbar
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