6284 tachometer stopped working.

[scoops]

Tachometer died.
Anyone know how to troubleshoot one of these?

 

[scoops]

Tachometer died.
Anyone know how to troubleshoot one of these?

Pictures may help. I should also point out that it seems to work
When turning over but when it starts go flat to 0
I've heard some of these work off the alternator somehow.
Maybe my alternator is bad?

 

[scoops]

Refer to this link as the fix..
http://www.tractorbynet.com/forums/cub-cadet-tractors/314272-cub-cadet-6284-tachometer.html