The cable for the Eagle has two ends. The end that goes to the
GPS is sqaured and has a small " marker" on it. MAKE SURE that
when you plug the cable to the Eagle, that marker is upward.
It is important.
|---------- marker
v
||
-----------
| o o |
| |
| o o |
|----------|
I hope this will help. I'll put this information on the web page.