You need a cb antenna to make the cb radio transmit/recieve.
The windshield antenna is for AM/FM.
GM had a combined antenna called Tri-Power that was for AM/FM and citizen band, but it was not used on F-body.
Most cb radios manuals says to never transmit without an antenna, so you "might" have burned some circuits...
If you like to restore your Delco radio, I have phone # to a guy close to Phoenix Arizona that restores them.
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