You might try the sci.geo.satellite-nav newsgroup if you haven't already.

Roy Lewallen, W7EL

Active8 wrote:
Hi:

tried this in the magellan gps group and got nada. so here goes.

i have a Magellan MAP 10 which is discontinued. The PC data / power
cable is only used with one other unit which is also discontinued.

can anyone supply the info needed to roll my own cable?

thanks in advance.
mike c