Jim, My car is a 67 400 conv wtih AC, AM-FM ,speed minder ,ps, pb, car has # matching drive drain.(am now modifying but have orignal parts)Wire harness is orignal. This is what I have on the passenger side, out of the firewall gutter is Blue(oil sender), black(trans kick down),black with orangestripe(??????). From AC realy, black with orange stripe and 30 amp fuse(to alt) from firewall, purple(to blower motor, through a capacitor(for am-fm) black (ground )My blower motor workes in all positions. The mistery wire is long enought to reach the radiator, and my carb did not have a fast idle solonoid. Thanks Jim Goodrich.