[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.

 

[pdmedic]

Since it is an anti theft device you could ask the previous owner what the unlock code is. Or if it is yours go to the unlock location you had to program into the unit when you set the unlock code.

Good Luck