It should work. I a have had a DK Jr board in a DK3 before. The DK3s are all conversions from one of the earlier ones. To be safe, you might want to download a DK3 conversion manual to see if any changes were made to the wiring during the conversion.
Donkey Kong 3 only has the 22/44 pin edge connnector.......none of the tiny .100 clusterfuck of connectors. If your Donkey Kong harness uses/has the edge connector, you're good!
Donkey Kong 3 only has the 22/44 pin edge connnector.......none of the tiny .100 clusterfuck of connectors. If your Donkey Kong harness uses/has the edge connector, you're good!