76 dash in a 74 Dart?

I bit the bullet and ordered a new dash circuit board for my 74 Dart. The old circuit board was missing traces and has way too many cracked traces to try and fix it. Trust me I tried as you can see in the picture attached.

Anyway, when I got the new circuit board and my dash lights wouldn't fit the new board. They are way too small. I contacted the vendor and sent pictures. They told me that I have a 76 dash and the wiring is completely different from a 74.

My question to you fine fellows is, should I replace the dash with a 74 so I don't run into wiring issues or just replace the circuit board with a 76 one? Will that work with the wiring harness? If I stay with the 76 dash, where do I find dash lights?

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[FOR SALE] - 1974 Valiant