2.
If necessary, remove the cotter pin from the locking bolt
and slide the locking bolt out of the hitch assembly.
3.
Slide the ball holder into the hitch assembly.
4.
Align the hole in the ball holder with the one in the hitch
assembly.
5. Slide the locking bolt through the hitch assembly/ball
holder.
6.
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.
3.
Re-install the dust cover for the hitch housing and store
the ball mount in a secure location.
NOTE: When driving through high waters, the dust cover may
unclasp to relieve pressure. When parked in a safe location,
simply re-clasp the dust cover back onto the vehicle.
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 7-pin wiring connector is
provided near the hitch support's wiring plugs for most types
of trailers. Plugging in trailer wiring into the
Model Y
electrical connector automatically engages Trailer Mode (see
Trailer Mode on page 96). It is the driver’s responsibility to
ensure that all electrical connections are working and all
trailer lights are operating before and during towing. You
must perform manual checks.
1.
Reverse Lights
2. Brake Controller Output
3. Right Turn Signal and Brake Light
4. Low Voltage Power (if equipped)
5.
Ground
6. Left Turn Signal and Brake Light
7. Tail Lamps
Loss of trailer lights when towing may be the result of a fault
in the trailer wiring or excessive power consumption by the
lights connected to the trailer output(s). When this occurs, a
red Trailer Mode icon appears on the touchscreen. Fix any
issues with the wiring and/or reduce the number of lights
connected to the trailer output(s), then toggle Trailer Mode
off and on again.
NOTE: Vehicles with a lead-acid low voltage battery have
auxiliary power. Vehicles with low voltage lithium-ion
batteries do not have auxiliary power at this time. You can
determine which battery your vehicle is equipped with by
touching
Controls > Software > Additional Vehicle
Information.
CAUTION:
Always ensure that the trailer electrical
cable does not contact or drag on the ground and there
is enough slack in the cable to allow for turns.
WARNING:
Use only the electrical connections
designed by Tesla. Do not attempt to directly splice or
attempt to connect a trailer’s electrical wiring using
any other method. Doing so can damage the vehicle's
electrical system and cause malfunctions.
Towing and Accessories
98 MODEL Y Owner's Manual
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