Question about Garmin GTM 12 FM TMC Traffic Receiver Receiver

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Will a garmin gtm 20 charger work with a garmin nuvi 660 gps

Yes! The GTM-20 is a charger with a built-in traffic receiver. The charger plugs into the cradle for the Nuvi 660 and then the Nuvi 660 snaps into the cradle.

However to receive traffic with the GTM-20, you will need to purchase a subscription, either yearly or lifetime. The traffic receiver receives traffic information from FM radio broadcast stations, which broadcast traffic data.

Feb 23, 2014 | Garmin GPS

1 Answer

I have a Garmin with a GTM 20 traffic receiver p/n 010-00544-13 and I wanted to know if there is a fuse that can be changed and how do you do it?

The GTM-12 is an antenna including FM receiver - there's no fuse in there. It's powered by the Garmin navigator not from an auxiliary power source.

Jul 01, 2011 | Garmin GTM 12 FM TMC Traffic Receiver...

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My GTM 20 tip got unscrewed and the parts fell out. I put the parts together and then found out that both the car socket fuse and the GTM 20 fuse were busted. I replaced both fuses. The car socket works...

The GTM 20 can be repaired. It's likely that either you're not using the correct fuse or there's a short circuit. The short circuit would be caused by the metal tip, spring or fuse touching the outer part of the plug. There's a repair kit available from

Jan 26, 2011 | Garmin GTM 20 Lifetime Traffic Receiver...

1 Answer

Garmin GTM 25 Charger is not charging GPS, but the red light is coming on when plug in to GPS and Cig lighter. Could this be a fuse in the charger?

Unscew the Cig lighter plug silver or black tip part, the fuse in located in there, be careful its sping loaded....check fuse should be a 3 A fuse any Radio Shack should have it or auto store

Sep 22, 2010 | Garmin GTM 12 FM TMC Traffic Receiver...

1 Answer

How do I take the fuse out of the Garmin GTM 20??

from the photo i see , it has a screw on plastic tip in the top of the plug in for the cigarette lighter look in there, be careful not to lose any parts when you unscrew the top

Feb 24, 2010 | Garmin GTM 12 FM TMC Traffic Receiver...

4 Answers

Garmin gtm 20 lost tip and spring can i get replacement parts

The won't get it. You'll have to call the 1-800-800-1020 number and press the number for the automotive service option. After that, you'll have to wait another 30min ( I waited 90 min - home waiting on the cable man), then you'll finally get to a person who will take all of 60 seconds to place the GTM-20 tip kit on order for you. The service person said that it was a common problem, but don't know why it's not on the Garmin site to order on line. Total parts and shipping $11.50. Hope this helps.

Aug 11, 2009 | Garmin Nuvi 760 Car GPS Receiver

1 Answer

Garmin nuvi / gtm 20 charger not working. I think it's a blown fuse. How to replace fuse?

If yours has a plastic tip at the silver metal contact, just unscrew the plastic part between the silver ring and the silver tip. Counter clockwise! Fuse should fall out but take cautions not to lose the silver tip part. I you do it can be found at

Jun 07, 2009 | Garmin GTM 12 FM TMC Traffic Receiver...

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