air/fuel installation please help

[akuma]

<!--fonto:Tahoma--><span style="font-family:Tahoma"><!--/fonto--><!--coloro:#191970--><span style="color:#191970"><!--/coloro-->ok, little help please. trying to fit an air/fuel gauge, done a search but they all about gauges already installed. wheres best place to get the ignition on and signal? and best place to connect earth? if possible. any pics please.
any help would be nice. <!--colorc--></span><!--/colorc--><!--fontc--></span><!--/fontc-->

<!--fonto:Tahoma--><span style="font-family:Tahoma"><!--/fonto--><!--coloro:#191970--><span style="color:#191970"><!--/coloro-->thanks<!--colorc--></span><!--/colorc--><!--fontc--></span><!--/fontc-->
<!--fonto:Tahoma--><span style="font-family:Tahoma"><!--/fonto--><!--coloro:#191970--><span style="color:#191970"><!--/coloro-->
oh and small silly question
a 300bhp cally T should be quicker than a standard 300bhp skyline/supra/300zx shouldnt it?<!--colorc--></span><!--/colorc--><!--fontc--></span><!--/fontc-->

[akuma]

dadday cool pretty much helped me out. but jus need an ignitioned wire from the fuse box. was thinking the elec windows or heated seats.

[AndiSe5]

Or fag lighter.

[Animal]

Yup I'd say lighter too.

[akuma]

ok thanks cool

[akuma]

getting funny readings when i turn the lights on, wheres the best place to earth it?
thanks

[Paul]

I routed a new live and earth straight to the battery, just to be sure.

[akuma]

wouldnt that mean its constantly on? did you put a switch in then?
thanks for the help by the way.

[Paul]

Yeah, mines a custom design and built one, so it's got a switch to turn it off.