Question about Garmin zumo 550 GPS Receiver

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Unit won't draw power from the bike battery

I have fitted the unit, wired it up to the battery on the bike and it worked perfectly. Now it will only work on the internal battery. when I mount it on the bike it won't switch to external power, it just runs on the internal battery. I have to charge it up on the mains and if it's over four hours goes off because the battery has expired. I have cleaned the contacts and checked the fuse and all is ok. Help!??

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Re: unit won't draw power from the bike battery

Ay I just fixed my Zumo 550, that would constantly go into battery power when hook up to my Motorcycle, found the enemy I was fighting was lack of proper ground (-).

Posted on Jun 01, 2008

Re: unit won't draw power from the bike battery

On the lower side of the zumo there are copperm coloured contact points which have to fit to uprising points of the holder on the motorcycle/car. These contact points are very vulnrable to pollution. Clean them dry and use a tiny bit of contact spray.
My first zumo was replaced under warranty because of damage to the contact points due to a leaking battery

Posted on Nov 21, 2007

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The best place is on the battery connectors, the battery works like a capacitor and whining sound from the dynamo/generator/voltage regulator is usually least close to the battery connectors. Dont forget to fuse it with the proper fuse, you won't be the first one to have a flaming bike if the wiring messes up!

Dec 31, 2007 | Garmin zumo 550 GPS Receiver

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