Owner's Manual

Connecting Accessories
NOTICE
Do not use the device to control or power a winch. Failure to follow this notice could cause damage to your
vehicle or your device.
Accessory requirements:
• Verify the amperage rating of each accessory before wiring it to the Garmin PowerSwitch device. The device
supports accessories up to 30 A for each channel and a maximum of 100 A for the entire system.
• Use 10 AWG (6 mm
2
) wires for accessories that use 20 to 30 A.
• Use 12 AWG (4 mm
2
) wires for accessories that use 10 to 20 A.
• Use 14 AWG (2.5 mm
2
) wires for accessories that use less than 10 A.
• Use the appropriate size terminals for all accessory connections.
• Crimp all terminal connectors securely.
1 Connect the positive wire from the accessory to one of the accessory terminals on the Garmin
PowerSwitch device.
2 Connect the negative or ground wire to an unpainted ground stud on the vehicle frame, to a ground
distribution block, or directly to the negative terminal on the battery.
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.
64 Appendix