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NOTICE
Do not connect the accessory ground wires to the ground terminal (GND) on the Garmin PowerSwitch
device. Failure to heed this notice could result in personal or property damage, or negatively impact device
functionality.
3 Verify that all electrical connections are tight and will not come loose during use.
Electrical Circuit Protections
The Garmin PowerSwitch device limits the amount of electrical current for each output terminal. If a single
output exceeds 30 A, the device turns off that output automatically. If the device detects a total system load of
more than 100 A, the device turns off all outputs automatically.
Connecting a Control Input
You can connect to the control terminals to enable the Garmin PowerSwitch device to turn on customizable
outputs. For example, you can connect your vehicle ignition switch to a control input terminal to turn on
accessories automatically each time you start your vehicle. The control terminals detect a signal from 3.3 V to
18 V. You can configure output functions with the Garmin PowerSwitch app.
Connect the control wire from the control source in your vehicle to one of the two control terminals on the
Garmin PowerSwitch device.
6 Installation
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