1970 Dodge Dart Cluster and Gauges

Test the light bulbs and sockets with a continuity tester (usually in a multi meter) before installing them to be sure that the bulbs are good and making contact with the sockets. Test across the tangs from the sockets with the bulbs installed to be sure they will work in the car...

Here are some pictures of the dash from my old 70 Dart Swinger for reference. It is out and the harness is removed: