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Cleaning the Outer Casing
NOTICE
Avoid chemical cleaners and solvents that can damage plastic components.
1 Clean the outer casing of the device using a cloth dampened with a mild detergent solution.
2 Wipe the device dry.
Changing the Fuse in the Vehicle Power Cable
NOTICE
When replacing the fuse, do not lose any of the small pieces and make sure they are put back in the proper
position. The vehicle power cable does not work unless it is assembled correctly.
If your device does not receive power in your vehicle, you may need to replace the fuse located on the red
power cable.
1 Pull up the top cover from the top of the in-line fuse assembly.
2 Using an 8 mm (
5
/
16
in.) wrench, remove the two nuts that secure the two parts of the power cable to
the in-line fuse assembly.
3 Disconnect the power cables.
4 Remove the fuse from the bottom cover .
5 Place a new 125 A fuse on the bottom cover.
6 Reinstall the power cables and nuts.
7 Tighten the nuts to a maximum torque specification of 2.26 N-m (20 lbf-in.).
8 Reinstall the top cover.
Updating Device Firmware
The Garmin PowerSwitch app notifies you when firmware updates for your Garmin PowerSwitch device are
ready to install.
When the update notification appears, follow the on-screen instructions to complete the update process.
NOTE: Do not disconnect power during the update process.
Restoring Device Settings
The Garmin PowerSwitch app enables you to reset the device to the factory default values.
1 From the Garmin PowerSwitch app, select Settings.
2 Select a Garmin PowerSwitch device.
3 Select Restore Defaults.
Device Maintenance 13
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