Electric choke Question

I just put a 750 cm Edelbrock carb with electric choke on my 79 that the stock vac choke quadra jet, any ideas on the best way to wire up the choke? ive heard you need to wire it in with the ignition switch but im not quite sure where. i was hoping you guys had some ideas.thanks

I've tapped 'em on to the dist feed wire before.

just put a deMon 575 and yea we wired it into the ignition

thanks guys i'll have to look in to it tonight when i got some time.