It couldn't be easier to disable auto start/stop on your Jeep Grand Cherokee. This intelligent device restores your preference for auto start-stop automatically which eliminates the need to press the button after each ignition cycle.
Here's a video showing the installation on a Dodge Durago, but the process is the same for the Jeep Grand Cherokee.
Pay special attention to the location of the gateway module. There are other connections nearby with the same connector.
The device simply plugs into the gateway module. With the vehicle OFF, just unplug the gateway module and insert our device inline. It literally only takes a few minutes to install start-to-finish.
Here's a video showing the installation on a Dodge Durango, but the process is the same for the Jeep Grand Cherokee.
Pay special attention to the location of the gateway module. There are other connections nearby with the same connector.