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- - GM2700 AM FM Radio (https://67-72chevytrucks.com/vboard/showthread.php?t=838088)

Bandit130

09-13-2022 01:57 PM

GM2700 AM FM Radio

I noticed that there is an antenna adjust screw above the tuner knob shaft. Is there any instructions on how to use the adjustment?

MJN	09-14-2022 08:14 AM

Re: GM2700 AM FM Radio

I haven't looked into these in detail but there are a couple GM radio service manuals you can download here http://67-72chevytrucks.com/vboard/s...d.php?t=545416

ray_mcavoy

09-14-2022 09:33 PM

Re: GM2700 AM FM Radio

The typical procedure for adjusting the antenna trimmer on most Delco radios is to tune in a weak AM station (somewhere around 1500kHz if I remember correctly) and then adjust the screw for the strongest signal.

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