Chrysler automatic transmission cars, using a mechanical kick-down linkage, may require an adapter to attach the linkage to the Pro-Jection. Holley builds a Mopar adapter, but doesna#39;t include it in the standard kit. I got one at a local speed shop. The linkage on the Challenger, having already been doctored in the conversion to the Carter AFB four-barrel, required ... Consulting the manual, I decided that perhaps the throttle position switch (TPS)a a linear potentiometer mounted on theanbsp;...