Wiring Problems of Chrysler Pt Cruiser - carproblemzoo The wiring harness melted, which caused the multifunction switch to burn out and running tail lights to not work properly. Replaced multifunction switch and burning smell came from steering column. Pulled new multifunction switch and noticed melted connectors. See all problems of the 2003 Chrysler Pt Cruiser .All Cars · Dash Wiring Problems · Horn Assembly Problems · Battery Dead Problems TrueDelta | Chrysler PT Cruiser electrical Problems The PT would simply be dead, randomly and increasing in frequency. Origin undetermined but suspected alternater may have been the issue but more likely a fault in wiring harness somewhere. Needed to stop the bleeding.