There is a message sent or requested by the radio when the jk is in reverse.
Jeep wrangler jk reverse light wire color.
Manufacturers have changed the wire colors on vehicles.
The radio communicates with the other systems in the jk using the canbus network.
If you have a manual transmission there is a dark green white stripe wire from the transmission to the tipm in front of the battery.
If you need to find the right reverse lead wire to trigger your rear view backup camera install this tutorial is for you.
There is no trigger wire.
In the rear i connected red thin wire that comes off of the video cable to the reverse hot wire i found that gray wire with white stripe is actually responsible for the power when i shift into reverse.
Our plug and play wiring harness turns on the led accessory lights in conjunction with your factory back up lights whenever your jeep is placed in reverse gear without the need for an additional switch.