Ok thanks ,just saws this and jumped on to ask a question , n yes a 68 67 regulator is a shot in the dark, wounder are chevelle regulators the same ?? N yes I have the assembly manual n curse lay out diagram. I also have the curse sticker in glove box as well wounder if someone had tried to install a GM curse unit than why go to all the trouble way back in 74 to tar the harness wires to body under dash n place the sticker in glove box ?? In one of my post I asked looking for the servo , I ment looking for the regulator oops am I bad. N thanks. For the info big John but I'm not convinced my car did not come from the factory with this option ,I know for a fact this car was this way back in 74 as I new then owners, she orders this car with a lot of options,n a color over ride ( red car with blue convertible top n red interior ,power windows,luggage rack, power top ,tilt, gauges, tic toc tac,SS 350, Aastro vents logo on window, ARO wipers , power brakes,