Tach sits at 500 RPM when off

[vex]

Originally Posted by WE3RX7

However, a simple though is that if the tach is electric (gets an electric signal from the ECU) and you disconnect the battery and the tach still sits at 500 w/ no power going to it at all - that it is probably just out of wack for whatever reason and will probably just need to be manually pushed back down, lol...

That's what I'm thinking it is. I'm pretty sure I've disconnected the battery and it still sat there. I'll try again and if it doesn't move I'll just have to break it open and push it down.