My LeBaron was running with a much to high idle, approx. 1150rpm. Today I had the chance to get it corrected, here's what happened, if anyone stumbles upon such / similar problems.
The original TQ was -according to the last owner- "undriveable". So he decided to get it replaced with a 1406. Unfortunately, his shop was not really up to speed on Mopars and not on such conversions and caveats.
Main problem was, that they connected a violett wire to the E-choke. But the correct connection of...
Correcting my inherited Edelbrock 1406 setup...