Plug into your vehicle’s OBD-II port for constant power to your compatible Garmin Dash Cam, even when the vehicle is parked and turned off. Compatible with most passenger vehicles; not compatible with commercial vehicles with a J1939 connector.
 
Using the Constant Power Cable with a Garmin Dash Cam
The Constant Power Cable will plug into a vehicle's OBD-II port to provide constant power to up to two compatible Garmin Dash Cams. This will provide power to the Garmin Dash Cams for a time you specify even when the vehicle is parked and turned off.
 
The Constant Power Cable is Compatible With Most Passenger Vehicles
Not compatible with commercial vehicles with a J1939 connector
Compatible with Voltage input from 12 to 16 V
Not compatible with 24 V systems
The Constant Power Cable has a Time Switch to Set the Length of Time the Cable Continues to Supply Power After you Exit the Vehicle
The time on the Constant Power Cable is set by a physical switch located on the part that connects to the OBD-II port
 
Select the 10 minute option if you want the Garmin Dash Cam to turn off after that time and remain off until the Constant Power Cable detects disturbance.
Select the 24 hours or Always On option if you want the Garmin Dash Cam to operate continuously while the vehicle is parked.
This timer restarts whenever impact or physical motion is detected.
Examples include: someone bumps the vehicle, opening/closing the vehicle door, vehicle is being driven, strong winds.
The timer will also restart if it detects the engine is running.
Not all vehicles support this feature.
The Constant Power Cable Will Protect the Battery by Shutting Down After 10 Minutes if it Detects the Battery is Low (Less Than 12V).
The Constant Power Cable will not turn back on until the power levels are restored.
Starting the vehicle and allowing it to charge the battery for a few minutes should help restore power to the Constant Power Cable.
Understanding The LED Activity Status on the Constant Power Cable
Red - The Constant Power Cable is supplying power to the connected dash cam or navigation devices.
Flashing Red - The timer has expired, and the Constant Power Cable is no longer supplying power to the connected dash cam or navigation devices.
Off - The Constant Power Cable is receiving less than 12 V of power. The low battery protection feature turns off the Constant Power cable to protect the vehicle battery.