Cluster light fuse keeps blowing

Some aftermarket ignition switches have a black wire in the switch connector where the factory put the orange wire from shift indicator Simple solution is cut the orange wire from both white connectors and put together with male/female terminals. Leave the extra black wire where it is.
If you look here, you'll see the OEM switch with 5 wires and aftermarket with 6 wires. 1973 valiant ignition switch - Google Search