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Home >> Tesla >> 2021 >> Model S Long Range Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Electrical System -- Model S) >> 12V Battery And Fuses >> E-Fuse Module (2nd Generation) - Remove And Replace >> Installation
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E-Fuse Module (2nd Generation) - Remove And Replace: Installation

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Tesla Model S, 2019 Tesla Model S, 2018 Tesla Model S, 2017 Tesla Model S, and 2016 Tesla Model S. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the E-fuse module into the vehicle.
  2. Put each cable into the correct location on the side of the E-fuse module, and then install the screws (x6) that attach the cables to the module (torque 4 N.m).
    G15033108Courtesy of TESLA, INC.
  3. Install the cover onto the RH side of the E-fuse module by aligning the cable cutouts, and then press the cover until an audible click is heard.
    G15033109Courtesy of TESLA, INC.
    G15033110Courtesy of TESLA, INC.
  4. Install new patch bolt that attaches the ground cable to the E-fuse module (torque 4 N.m).
    G15033111Courtesy of TESLA, INC.
  5. Connect the logic electrical connector to the E-fuse module, and then secure it with the red locking tab.
    G15033112Courtesy of TESLA, INC.
  6. Install the screw that attaches the smaller cable to the bottom of the E-fuse module (torque 5 N.m).
    NOTE: Make sure to install the cable in the correct position as shown.
    G15033113Courtesy of TESLA, INC.
  7. Install new patch bolts (x2) that attach the large cables to the bottom of the E-fuse module (torque 5 N.m).
    NOTE: Make sure to install the cables in the correct position as shown.
    G15033114Courtesy of TESLA, INC.
  8. Install the cover onto the E-fuse module and secure it with tab.
    G15033115Courtesy of TESLA, INC.
  9. Install the bolts (x3) that attach the cover to the E-fuse module (torque 2.7 N.m).
    G15033116Courtesy of TESLA, INC.
  10. Install new patch bolt that attaches the DCDC positive cable to the E-fuse module (torque 5 N.m).
    G15033117Courtesy of TESLA, INC.
  11. Install new patch bolt that attaches the 12V power supply cable to the E-fuse module (torque 7 N.m).
    G15033118Courtesy of TESLA, INC.
  12. Position the E-fuse module so that the tabs (x2) align with the battery coolant heater bracket, and then slide the module downwards until the tabs engage with the bracket.
    G15033119Courtesy of TESLA, INC.
    G15033120Courtesy of TESLA, INC.
  13. Install the nut that attaches the E-fuse module to the battery coolant heater bracket (torque 7 N.m).
    G15033121Courtesy of TESLA, INC.
  14. Position the cover, and then install the bolt that attaches the 12V cable cover to the E-fuse module (torque 3.5 N.m).
    G15033122Courtesy of TESLA, INC.
  15. Position the air suspension reservoir into position.
  16. Install the screw that attaches the air suspension reservoir to the bracket (torque 2.5 N.m).
    G15033123Courtesy of TESLA, INC.
  17. Install the wiper motor assembly. See Wiper Motor Assembly (Remove and Replace) .
  18. Install the cowl screen panel. See Panel - Cowl Screen (Remove and Replace) .
  19. Install the underhood fusebox. See FUSEBOX - UNDERHOOD - 2ND GENERATION (REMOVE AND REPLACE) .
  20. Reconnect 12V power. See DISCONNECT 12V POWER .
  21. Install the HEPA filter outlet duct. See Duct - HEPA Filter - Outlet (Remove and Replace) .
  22. Install the HEPA filter inlet duct. See Duct - HEPA Filter - Inlet (Remove and Replace) .
  23. Install the LH and RH underhood aprons. See Underhood Apron - LH (Remove and Replace) .
  24. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace) .
  25. Update the vehicle firmware. See Firmware Update .
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