Mystery wire(s) help
Those diagrams are aftermarket, and while useful because they can be easier to follow, are not as detailed as they should be. Run over to MyMopar.com and download the 72 service manual. That manual, and several others there, are over there because of a few of us here.
In the 1972 Plymouth manual, see page 8-148, looks like that pink stuff is part of the map light stuff and one may be the cigar lighter
Those diagrams are aftermarket, and while useful because they can be easier to follow, are not as detailed as they should be. Run over to MyMopar.com and download the 72 service manual. That manual, and several others there, are over there because of a few of us here.
In the 1972 Plymouth manual, see page 8-148, looks like that pink stuff is part of the map light stuff and one may be the cigar lighter