I had a 1972 442 a long time ago & still have the shop manual for the 1972 Olds. I have posted the wiring diagram in 2 parts for the 1972 Cutlass at a photo hosting site from that manual. Part 1: http://img.villagephotos.com/p/2003-3/138085/1972cutlasswd1.jpg Part 2: http://img.villagephotos.com/p/2003-3/138085/1972cutlasswd2.jpg