Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harnesses

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 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

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 Cover - Penthouse (Remove and Replace)

SPECIAL TOOLS Asy, Service Cover, Penthouse, Model 3 (1127845-00-A) Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B) Wrench, Torque + Angle, 1/4" Dr (1076971-02-A) Cap, Logic Conn, Inv, 3DU (1108272-00-B) Warning: Remove all jewelry (watches, bracelets, rings, necklaces, earrings, ID tags

 Harness - Penthouse - HV Battery (Remove and Replace)

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, 18" (1057607-00-A) Connector Removal, Coolant, PCS, M3 (1

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