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Old 02-27-2015, 03:52 AM   #1
Bulitt OP
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Garmin 2720... Reversed polarity.. Is it toast?

I know, I know, I'm a dumbass.....that aside....

I was putting an sae fused connector on my bike and reversed the polarity on the plug I hooked to my Garmin 2720 street pilot. It blew the fuse in the sae in line connector and now the Garmin won't power up.

Did I fry it?......is it now garbage......or is it fixable?

Thanks
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Old 02-27-2015, 03:19 PM   #2
JustinP
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Reversing the polarity on a 2720 basically transforms it from a GPS into an expensive fuse. Open the case and you will smell the tell-tale white smoke. DAMHIK
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Old 02-27-2015, 03:24 PM   #3
riverflow
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Want another one? I've been thinking about selling mine. I have an extra cord too.
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Old 02-27-2015, 03:28 PM   #4
Just Max
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if you didn't actually see the smoke leave the gps, it might be a good idea to *try* another power cable before you throw it in the trash. might get lucky.
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Old 02-27-2015, 03:34 PM   #5
JustinP
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Quote:
Originally Posted by Just Max View Post
if you didn't actually see the smoke leave the gps, it might be a good idea to *try* another power cable before you throw it in the trash. might get lucky.
It's a sealed water/dust proof unit. The smoke stays inside. Once I opened mine up after doing what the OP did, it was clear from the smell that it had a major sad when I reversed the polarity.

OP - If you want to try another power cord though, I have a few laying around if you need one.
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Old 02-27-2015, 05:17 PM   #6
Just Max
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Quote:
Originally Posted by JustinP View Post
It's a sealed water/dust proof unit. The smoke stays inside. Once I opened mine up after doing what the OP did, it was clear from the smell that it had a major sad when I reversed the polarity.

OP - If you want to try another power cord though, I have a few laying around if you need one.
Missed that part - thought all the 4 digit units were car units. . I did the same thing to a car gps. But I got the immediate viseral feedback. I no longer drink and wire.
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Old 02-28-2015, 02:59 AM   #7
Bulitt OP
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Quote:
Originally Posted by riverflow View Post
Want another one? I've been thinking about selling mine. I have an extra cord too.
I already bought one on Ebay with current maps a couple of days ago. There are tons of 2720's on ebay for $30 to $50 or if you want 2015 maps loaded about $99.

Now I have, one working, one fried and one non working for parts and LOTS of power cables, so thanks guys I don't need any.

I really like my 2720's and Touratech mounts and with so many available on eBay, I will probably own more before they are gone. Waterproof, fast processor, easy to use with gloves and touchscreen ......and did I mention CHEAP!

But DONT reverse the polarity!
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Old 02-28-2015, 10:25 AM   #8
MoBill
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I have three. Had. Until I did what you did. Stupid. Worse, I did it again with a 60csx.
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