2
GTM 20 Instructions
Connecting Your GTM 20
1. Remove the vehicle power cable from your
Garmin GPS device.
2. Connect the cable on the GTM 20 to the
power connector on your Garmin GPS
device.
3. Plug the other end into a power outlet in
your vehicle.
To power connector on Garmin GPS
To power outlet in vehicle
Internal
antenna
4. Route the cable so that it does not interfere
with vehicle operating controls.
Note:
Heated (metalized) windshields
could degrade the performance of the traffic
receiver.
Summary of Contents for GTM 20
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