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Tesla Model 3 electric tailgate installation instructions – Version 3.0

Disclaimer:

The problems and losses caused by improper installation and improper use are not covered by our company’s warranty.

1:Pre-installation check required!

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Due to the large tolerance deviation of the car body to trunk lid assembly, you must check the deviation of the gaps between the roof glass and the tailgate before installing this power lift kit. The deviation between the left and right sides must be less than or equal to 4.5mm, otherwise, this kit can not be installed. For example, in the figures above, the left-side gap is 1.5mm, the right-side gap is 6mm, and the deviation is 4.5mm. The struts can be installed.

2. Disassembly of trunk interior panel

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Use the panel pry bar to remove the panel along the perimeter of the tailgate trim.

3:Disassembly of trunk interior panel

Tesla Model 3 electric tailgate installation instructions - Version 3.0
First, open the inner cover of the tail box, and then remove the long panel on the lock (as indicated by the red arrow), and then remove the lock.

4:Disassembly of trunk interior panel

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Pluck the trim panels on the up, left, and right sides.

5:Removal of the tail light plug

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Remove the screws on the outside of the taillights. Pull out the nut and taillight plug on the inside of the taillight. (Use the same method on both sides). Warning: It is forbidden to pass the strut wire through the taillight light plug hole. If you do this, it may cause water leakage into the trunk, and the problem caused by this wrong installation would not cover by our company’s warranty.

6:Removal of the original trunk lift struts

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Use a flat-blade screwdriver to pry open the ball retainer clips and remove the original left and right struts. Warning: When removing the original strut and installing the power struts, you must use a towel to protect the glass to avoid breaking the glass.

7. Installing the Power Lift Struts

Tesla Model 3 electric tailgate installation instructions - Version 3.0
The new power lift struts snap into the stock strut locations, locate the power wires on the bottom. Please rotate the top part of the strut to align the socket to the ball.

8:Wire route for strut motor

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Route the strut motor wire down under the plastic trim, as shown by the arrow.

9:Power Strut wire path

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Remove the tailgate assembly, bumper waterproof rubber strip, and rubber grommet; 2. Pass the fish tape from the small hole to the rubber strip gap.3. Use winding tape bind the strut wire with fish tape together;4. Pull the fish tape and strut wire out from the small hole.

10: Power Strut wire path cont.

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Cut a small hole in the original car’s rubber gromit in this bumper area and pass the motor wire from the taillight area into the car. This will prevent any water from flowing into the car from the taillight area. (Use the same method on the left and right sides.)

11: Tail box lock removed

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Mark the center position of the original car trunk lock, then remove the lock.

12: Install new powered soft-close mechanism.

Tesla Model 3 electric tailgate installation instructions - Version 3.0
The center of the electric suction lock should be aligned with the mark position and adjusted to the outermost position. When closing the trunk, confirm whether it is aligned with the upper lock machine. (If can not close the trunk, adjust the lock a little upwards as shown.)

13: Install new trunk “close” button

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Tesla Model 3 electric tailgate installation instructions - Version 3.0
Position the new button as shown above, using the supplied 20mm drill, install the tailgate “close” button into the trunk lid plastic panel.

14: Pass the wire to the tube

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Pass the longer main harness and tailgate button cable through the tube (from bottom to top) with the help of fish tape. (Note: as the tailgate button cable plug is thicker than the tube, disassemble the plug before passing the harness, be aware of the wire sequence inside as you have to restore the plug at the end of this step.) Restore the tailgate button cable into the plug. 2. To connect the longer main harness and shorter main harness. First, insert our motor plug and handle plug of the shorter main harness into the original motor plug and handle plug as figure 15 shows. Then connect the 2 main harnesses through connecting the 5 wires respectively according to the color, use electrical tapes at this step.

15. Tailgate signal plug location

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Put the rear seat down, the plug is under the trim as shown in the picture.

16. Tailgate signal plug location

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Put the seat down, remove the car right side trims indicated by the arrows (if you can’t pull out the rear seat trim in the next step, remove the car left side same trims).

17. Tailgate signal plug location

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Pull out this rear seat trim, you will find the related mating plug.

18. Wire path diagram 01

Tesla Model 3 electric tailgate installation instructions - Version 3.0

19.Wire path diagram 02

Tesla Model 3 electric tailgate installation instructions - Version 3.0

20.Wire path diagram 03

Tesla Model 3 electric tailgate installation instructions - Version 3.0

21. Wire path diagram 04

Tesla Model 3 electric tailgate installation instructions - Version 3.0
Put the control box under the right side trunk trim, Use screw fix the control box as shown.

21.Wire path diagram 05

Tesla Model 3 electric tailgate installation instructions - Version 3.0

Optional tailgate button install position

Tesla Model 3 electric tailgate installation instructions - Version 3.0
You can install the power tailgate button here if you do not want to install the button on the tailgate.

After the installation is completed, the controller needs to be matched when the power is plugged in: the electric tailgate is adjusted to the highest position, and the tail button is pressed for 5 seconds. After a long beep, the button is released, indicating that the matching operation is completed. (If the power off requires a rematch operation).

Height Adjustment

Adjust the tailgate to the appropriate height, press and hold the tailgate button for 5 seconds, and hear a long beep that indicates the height setting is successful.

Speed Adjustment

The tailgate switch speed is divided into 5 gears, the default is 4 gears, the lowest 2 gears, and the highest 6 gears. Press and hold the tailgate button. When the buzzer sounds 2 consecutive sounds, it means that the speed setting 2 is successful. When the buzzer is heard for 3 consecutive sounds, the speed setting 3 is successful, and so on.

After the installation is completed, the controller needs to be matched when the power is plugged in: the electric tailgate is adjusted to the highest position, and the tail button is pressed for 5 seconds. After a long beep, the button is released, indicating that the matching operation is completed. (If the power off requires a rematch operation).

Tesla Model 3 electric tailgate installation instructions - Version 3.0

Note:

  1. The installation instructions may differ slightly from the actual operation. If there are any differences, please follow the actual situation or contact us.
  2. If the tailgate button and trunk icon on the screen is flashing, it means the tailgate is open at this time. They will stop flashing when the tailgate is closed; If the car is driving with the tailgate open, the car will issue a corresponding warning to remind you the trunk is open.
Tesla Model 3 electric tailgate installation instructions - Version 3.0

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