Grant LT (8719)

Installing the FC347 or FC390 Frequency counter
This information was sent to me by Sonoma, thank you.

It is possible to install the FC347 or the FC390 frequency counter into this radio, below is a picture of the wiring hookup, please note that the RF connection's center conductor (shown at the top) should have a 68pF ceramic capacitor installed in series to help prevent loading of the CB's circuit.

Sonoma also mentioned that it is necessary to modify the frequency counter inside, this is a jumper that needs to be added, I have added the details for the FC347 and FC390 modification here.

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