I agree with Si's sentiment, but wiring one into an MC21 would be a piece of cake!

Look at the MC21 wiring diagram in the Workshop. Just tap into the signal(s) from the G.P.S.
_________________
Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.

Check us out on Facebook! Please "like" our page!