Where to hook electric choke

I am changing the carb on my Ambassador and trying to figure out where I can hook the elec choke wire up to. My problem is that there does not seem to be an open port on the fuse panel where there is power only when ignition switch is 'on'. The car has been converted to an elec fuel pump that is already wired in to what seems to be the only port that would have worked.

Any ideas? I want to avoid hooking it up to the coil or other place where it is technically not correct. There is a...

Where to hook electric choke
Author: mdh157