Question about Garmin GTM 12 FM TMC Traffic Receiver Receiver
The rubber plug to the pin connector which gets inserted into the unit is loose and about 1/8" of the connective wiring is showing.
Upon removing the 2-screws on the connector casing, it appeared that 9-wires were secure (2-red, 2-brown, 1-purple, 1-green, 1-blue, 1-yellow, 1-black) but there was a small amount of loose stranded wire by the foil wrap at the power adapter end which is fused for traffic reports.
After reassembly the unit would not work off the adapter-- the fuse (3A) blew either before or after, but before I replace the fuse and try again I would like to know if the loose stranded is normal or if not, how to correct it.
The two red wires are +VE Supply and both connect to pins 1 and 2
The two brown wires are Supply Ground and both connect to pins 8 and 9
Pins 3 through 7 are the traffic recievers digital interface:
Purple/violet connects to pin 3
Yellow connects to pin 4
Blue connects to pin 5
Black connects to pin 6
Green connects to pin 7
Posted on Mar 12, 2010
I found out from a Garmin rep that Garmin will swap out the adapter if you send it in. The only cost would be shipping charges. It was too late for me as I threw mine away thinking that it was not working realizing later that it might have been a blown fuse
Posted on Mar 02, 2010
I believe the loose strands are normal. My connector end has been stretched out but the cable still provides power. What I need to know is where the blue, green, and black wires connect to on the terminal (GPS end), as they have been pulled apart. I get power but no traffic info. It's a 14 pin terminal. If the brown/brown is connected to pin 1 and red/red is connected to pin 8 (ie: the flip side of pin 1 is pin 14), could someone tell me which pins blue, green, and black connect to? (I'm guessing black is ground and is connected to the terminal body.)
Posted on Feb 18, 2010
I cant solve this but have a similar problem. there is a blue wire and a bare wire im guessing a ground.
Posted on Jun 19, 2009
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Posted on Jan 02, 2017
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