OK i have a 2004 American Iron Horse Slammer. I'm having issues with speedometer. I have read on another forum which is no longer around. That there was a problem with this era of speedometers and that they can be sent and fixed or rebuilt. Here is what mine is doing. It will periodically work. When it's not working correctly, it shows me a bunch of weird different numbers and sometimes lines instead of numbers. I thought the speedometer was a dakota however after on the phone with them for about a half hour they do not believe it to be there's. I have read that Thunder Heart also made speedometers for AIH. Does anyone know for sure who made speedometer for the 2004 Slammer?