1967 Dart GT wiring system
Just look at it and follow the PC board traces.
You can download a free shop manual at MyMopar
If you post a good clear photo of the rear of the cluster, we can guide you along
See if these work, found these photos of a 69 online
http://i1364.photobucket.com/albums...F-D137-49F2-A5EB-2973283B94AC_zpsvdnx0bft.jpg
http://i1364.photobucket.com/albums...2-7ABB-4285-B50A-E656A5CAE5AE_zps9kqzshq6.jpg
http://s1364.photobucket.com/user/W...A-49ED-9520-3C8709A3BBEE_zpsh6xdaz0s.jpg.html
OK, so the top photo is the complete rear, "opposite" from the front view, at bottom. The two mid photos are simply enlarged
Let's take the oil light, eg "far right" in the bottom photo, far left in the third photo down
If you follow the traces to the socket connection, you see that one goes to the far left pin there on the harness connector.
the second trace from that socket leads to the same connector, the pin second from the right
So take that and refer to the shop manual wiring diagram
Print