retro fit nav to touch head unit

[eygo]

today i fitted the touch & go extention box and gps antenna to our touch headunit

if anyone wants to retro fit nav its a simple job to undertake 30 minutes work.

1) unclip trim around headunit                                                                                                                                                                                                                 

2) unclip wiring from head unit surround

3) remove 4 x 10mm bolts securing headunit

4) remove head unit and secure nav extention box underneath head unit & plug in the 3 link cables

5) relocate original aerial cable ,usb cable to the nav unit and plug in the gps aerial

6) mount gps aerial ,i have fitted it on the right hand side of the headunit by the lower right mounting bolt.

7) refit trim and jobs done

i hope this may help other members