on my 93 FD. Everything else works fin, it just quit dispalying. Which is going to be a ******* pain as I have to re-safety and re-register it as soon as it arrives back in TX in Nov.

****.

 

This recently happened to me. I believe I had a corroded ground on the engine. Letting her warmup really good solved the problem. There are also other instances where you will have to replace a capacitor in the cluster. Here are instructions how. https://www.rx7club.com/3rd-generation-specific-1993-2002-16/just-got-done-figuring-out-how-fix-fd-odometer-599220/