All - Repair instructions are at: http://teamchicago.com/imperial/imp-el.htm > > Greg, > Regarding your power pack assembly for the "electro-illuminance" it has been > a while since I did any research, but there was no less than 6 companies that > advertised in Hemming's that effect repairs on these units under Chrysler > parts and service. The power transister goes bad.but can be replaced. I > believe they were also used in the 66-67 Chargers also the early 300 series.