I know I have seen the wiring diagrams somewhere either on the post or on the CD I purchased, but I can't seem to find them when I need them. Can somebody please refresh my brain. I am looking for the engine compartment / reverse light switch / AC and heater controls for a 1978 W72 / AC / 4 speed car. Someone has butchered my harness and I'm hoping I can figure it out instead of buying a replacement. Does anyone make a replacement harness for the engine compartment?