rpm gauge

[Bill 109]

i have installed an rpm gauge .i have done everything you tube has showed me and it says its installed .i still can not get it to work ,am i missing something . Please help .confused.

 

[Bill 109]

i have installed an rpm gauge .i have done everything you tube has showed me and it says its installed .i still can not get it to work ,am i missing something . Please help .confused.

i now have it working but having trouble setting it up.red screen and constant beep at 5000 rpms and over.