Install ELD Hardware Follow

1. Connect the device to the diagnostic port of the vehicle (ECM port) using the provided cable. Please do so BEFORE turning the vehicle ON or opening the HOS247 app.
2. You should see a slow flashing green light, indicating power.
3. Turn ON the Vehicle. 
4.  You should see a fast flashing green LED, indicating that vehicle bus activity has been detected, After the green LED becomes solid, the device is registered on the vehicle bus and you can run the HOS.
5. From this point on, the device will have and retain the data needed, such as VIN, to communicate with the app via Bluetooth Low. Note that for power management reasons, sometimes the LEDs will not stay on.

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Set Up HOS247 ELD Logbook App