realistic Frequency counter

[ohespeth]

I would like to install a hard wired Galaxy 347 or 390 frequency counter into a realistic trc-458. I see where there a plans and pictures to install them into a cobra 148. Has anyone done this mod, and if so, where can I find the installation plans?

Otis

[trying]

cannot help you there. am trying to find info on connecting a freq meter in a cobra 148.
any inf would be appreciated
trying