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