To attach a ball mount:
1. If necessary, remove the cotter pin from the locking
bolt and slide the locking bolt out of the hitch
assembly.
2. Slide the ball holder into the hitch assembly.
3. Align the hole in the ball holder with the one in the
hitch assembly.
4.
Slide the locking bolt through the hitch assembly/
ball holder.
5.
Insert the cotter pin in the hole at the end of the
locking bolt.
To remove a ball mount:
1.
Remove the cotter pin from the locking bolt and
slide the locking bolt out of the ball holder/hitch
assembly.
2.
Pull the ball holder out of the hitch assembly.
Electrical Connections
Regulations require all trailers to be equipped with tail
lights, brake lights, side marker lights, and turn signals.
To provide power for trailer lighting, a built-in seven-
way wiring connector (SAE J560) is attached near the
tow hitch. Most trailer wiring plugs can be attached to
this connector.
1.
Reverse Lights (Purple)
2.
12V Power (Red or Black)
3.
Right Turn Signal and Brake Light (Green)
4.
Brake Controller Output (Blue)
5.
Tail Lights and Running Lights (Brown)
6.
Left Turn Signal and Brake Light (Yellow)
7.
Ground (White)
NOTE: It is the driver's responsibility to ensure that all
electrical connections are working, and all trailer lights
are operating before and during towing. Model X does
not detect faulty trailer lights. You must perform
manual checks.
NOTE: Loss of trailer lights when towing may be the
result of a blown fuse. Model X does not provide a
warning if the fuse is blown. Contact Tesla Service.
Plugging trailer wiring into the Model X electrical
connector automatically engages Trailer Mode (see
Trailer Mode on page 85).
WARNING:
The brake controller output operates
only when a brake controller is installed (see
Trailer Brakes on page 86).
WARNING:
Use only the electrical connection
designed by Tesla. Do not attempt to directly
splice or attempt to connect trailer electrical
wiring using any other method. Doing so can
damage the vehicle electrical system and cause
malfunctions.
Towing and Accessories
90 MODEL X Owner's Manual
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