Very straightforward
great video here titled Miata MX5 Hood Release Cable Replacement - MIATA STREET
https://www.youtube.com/watch?v=hVvwL_CCvdM
bought a new cable from the dealer for $40. Think I could have bought on line for $20
Fortunately my cable failed with the hood open. I had been having trouble pushing the handle back in for some time before it finally would not go all the way back in so the hood would not close all the way. Crappy design as the actual cable was fine.
advice
I attached some string to the end of the cable before pulling it through the firewall. This made it simple to pull the new cable back through.
