Let's not forget our own Mopars had a similar deal, the "Fuel Pacer" a stupid idea if I ever saw...............
This was a vacuum switch that hooked to the fender and dash left side turn indicators, so you'd be going down the road with the turn indicator on. Many guys who don't know what they are think there's something wrong with their signals................just like this..............
http://www.forabodiesonly.com/mopar/showthread.php?p=1969835210