RAM 2500 2023 Owner's Manual page 218

216 STARTING AND OPERATING
Seven-Pin Connector
1 — Backup Lamps
2 — Running Lamps
3 — Left Stop/Turn
4 — Ground
5 — Battery
6 — Right Stop/Turn
7 — Electric Brakes
Trailer Light Check
This feature will run the trailer lights through a sequence
to check the trailer light function. It is available in the
instrument cluster under the Trailer Tow menu
page 109.
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When activated the feature will enable all of the exterior
lights sequentially for up to five minutes for time to walk
around and verify functionality. The following exterior
lights will remain on for the entirety of the sequence:
 Park/Running Lamps
 Side Marker Lamps (if equipped)
 License Lamp
 Signature Lamp (if equipped)
 Low Beams
 Fog Lamps (if equipped)
 Daytime Running Lamps
During this time the following lights will sequence, each
activating for three seconds:
1. Brake and CHMSL (third brake light)
2. Left turn signal
3. Right turn signal
4. Reverse Lamps
5. High Beam
This light check sequence will continue for a total of
five minutes.
The sequence will only activate if the following conditions
are met:
 Vehicle is equipped with the Trailer Tow Package
 Vehicle is in PARK
 Vehicle is not in motion
 Ignition in ACC or RUN
 Remote start is inactive
 Brakes are not applied
 Left turn signal is not applied
 Right turn signal not applied
 Hazard switch is not applied
The sequence will cancel if any of the following conditions
occur:
 Brakes are applied
 Vehicle is shifted from PARK
 Vehicle is no longer stationary
 Left turn signal activated from stalk
 Right turn signal is activated from stalk
 Hazard switch is activated
 Any button on the key fob is pushed
 Ignition button is pushed
 High Beam stalk position is changed
 Sequence is canceled in the instrument cluster