Carter WGD Fast Idle Question

Posted by Dave Merrick On 2011/4/18 22:28:46

Can someone explain the Carter WGD fast idle circuit theory?
Perhaps with a good pic?

I feel like I'm missing something.
I have no fast idle on my '51 and have spent the last 2 hours trying to figure out how the fast idle circuit is supposed to open the throttle. Or am I totally missing the point on how it works?