Garmin 515s and cobra vhf

skipper681

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VHF black to the GPS's main negative (or to any other handy negative would probably do).

VHF red (in the interface cable, not the power supply!) to the GPS's blue.

Pete
 
I had a Garmin and a Cobra and I never managed to get them to talk to each other. When I gave up, Garmin to ICOM worked straight away. Hope you have better luck!
 
A lot of Garmin stuff uses a three wire system and some of it doesn't. It took a lot of trial and error on one Garmin and just as Pete said on another.
 
My backup GPS is an old handheld Garmin 45, it has a four way plug on the back, I'd prefer the Garmin 551 connected but could possibly use the 45. By the way thanks Pete will try that... Does anyone know if I connect the wrong wires if that would blow anything? (Multiple choice is how I passed my GCSE's ;) )
 
My backup GPS is an old handheld Garmin 45, it has a four way plug on the back, I'd prefer the Garmin 551 connected but could possibly use the 45. By the way thanks Pete will try that... Does anyone know if I connect the wrong wires if that would blow anything? (Multiple choice is how I passed my GCSE's ;) )

Unless you're colour-blind, you're surely unlikely to connect the wrong wires? But, if you were to, you wouldn't blow anything. As well as connecting the Garmin's blue wire (NMEA out) to the Cobra's red cable (NMEA in), you need to check the Garmin's set-up menu and make sure that Port 1 is set to output standard NMEA.
 
Thanks Pete, I got a jack plug from ebay instead of buying cobras inflated price, I'm guessing plus is the tip, hence my caution. :)

Oh, I see - I didn't realise it didn't just have the wires hanging out of the radio. That's a bit bloody cheeky of them, treating GPS connection as an optional accessory when it's vital to DSC.

Could be either way round really, though tip being positive seems more likely. If not, just swap them over, you won't blow anything up by getting NMEA wires backwards.

Pete
 
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