[richardkeeling]

Is there a way to unlock a Road Tech Zumo 550 GPS that was orginally for a Harley Davison, it has a 4 digit pin number?

 

[Two Wheel Wing]

Here is what I found. Good luck on the three options.

http://www.ehow.com/how_5766841_unlock-garmin-gps.html

 

[oldtoot]

The universal unlock code for most devices using a pin number is 1234.