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Old 11-13-2012, 06:29 PM   #3
Bill Murray
Gnarly Adventurer
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Joined: Feb 2006
Location: Wilmington, NC
Oddometer: 101
Originally Posted by Kingsized View Post
I just bought a used 550 and the canbus cable (BMW) didn't have a fuse inline. How power stable are GPS as a whole? I know there is no blanket answer but best guess if I should cut and place a fuse in this cable?
I powered a Zumo 550 via the BMW CanBus accessory connector for four year, without the inline fuse, with no problems. The fuse is there to protect your GPS from a voltage surge from the bike. The accessory CANBus source is only rated to provide 5 amps. (I now power my Montana 650 via the from CANBus connector.)

Try to keep the Zumo 550 mount dry. There is a seam that allows water to enter the mount, which eventually can cause corrosion and failure of the mount. I never experienced that problem, but you will see online accounts of this.
Bill Murray
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