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Home >> VinFast >> 2023 >> VF8 Plus >> Repair and Diagnosis >> Electrical >> Charging Systems >> 12V Battery And Fuses >> Repair Procedures >> 12V Battery Positive Cable Junction Block Removal And Installation/Replacement

12V Battery Positive Cable Junction Block Removal And Installation/Replacement

Mobile Repair Possible:  Van/Car

NOTE: Damage
Failure to follow specified procedures may result in damage to the vehicle's electrical system.
  • Read Warnings and Instructions before disconnecting the battery.
  • Refer to DANGER AND WARNINGS

Removal Procedure: 

  1. Remove front trunk. Refer to FRONT TRUNK REMOVAL AND INSTALLATION/REPLACEMENT
    G15971315Courtesy of VINFAST, LLC
  2. Loosen nut (1) do not remove it.

    Torque: 6 Nm 

  3. Pull off the battery negative cable from the Battery negative terminal by carefully moving it to and fro. Do not pry using a tool.
  4. Move the battery negative cable to one side and secure.
    G15971316Courtesy of VINFAST, LLC
  5. Open the cover (1) and loosen the nut (2) of the Battery positive cable.

    Torque: 6 Nm 

    G15971317Courtesy of VINFAST, LLC
  6. Unlock and disconnect electrical connector (1) from the battery sensor.
  7. Remove nut (2).

    Torque: 8 Nm 

    G15971318Courtesy of VINFAST, LLC
  8. Use a suitable screwdriver to release the latches (1) and (2).
    G15971319Courtesy of VINFAST, LLC
  9. Remove the upper cover (1) from the pre fuse box to access the cable.
    G15971320Courtesy of VINFAST, LLC
  10. Remove 3 nuts (1)

    Torque: 4.5 Nm 

  11. Remove 3 nuts (2)

    Torque: 12 Nm 

  12. Remove nut (3)

    Torque:4.5 Nm 

    G15971321Courtesy of VINFAST, LLC
  13. Loosen the pre-fuse box at the markings (2).
  14. Remove the pre-fuse box (1) from the 12V Battery upwards.

Installation Procedure: 

  1. Installation is the reverse of removal procedure, noting the following All fasteners must be tightened to torque specification. 
  2. Install front trunk. Refer to FRONT TRUNK REMOVAL AND INSTALLATION/REPLACEMENT
  3. Diagnostics, Programming and Setup. Refer to DIAGNOSTICS, PROGRAMMING AND SETUP USING SCAN TOOL IN SERVICE