I have posted pictures of the tach at http://www.geocities.com/motorcity/7151/tachback.gif http://www.geocities.com/motorcity/7151/tachfrnt.gif Someone please look at the images and tell me what wire goes where. I dont want to wire this vintage(1969) instrument incorrectly and fry it. thanks again Boyd Drew 71 GTV Super 65 Notch 1500s