well today was the day my gps unit came in.
it took me about 30min to do everything from opening the box to opening the gps to find the pins in needed. to wireing the cable and to testing, it went quite easy, i used a 1k resister.
http://www.el-halawa.net/gps/S4020085.JPG
http://www.el-halawa.net/gps/S4020086.JPG
http://www.el-halawa.net/gps/S4020087.JPG
im very intrested to try the maping project