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73-87 Chevy _ GMC Trucks => Interior & Equipment => Topic started by: Rapid Roy on September 13, 2022, 10:56:19 AM

Title: GM2700 AM FM radio
Post by: Rapid Roy on September 13, 2022, 10:56:19 AM

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

Title: Re: GM2700 AM FM radio
Post by: philo_beddoe on October 31, 2022, 10:00:09 AM

I'd like an answer to that question too!!

Title: Re: GM2700 AM FM radio
Post by: Rapid Roy on October 31, 2022, 11:56:01 AM

I read on another forum over the weekend that it apparently is for AM only. Stated to tune to a weak station around 1400 AM, adjust to get the best reception. Not sure if that is correct but I will try it soon.

Title: Re: GM2700 AM FM radio
Post by: philo_beddoe on October 31, 2022, 12:11:36 PM

Thanks, keep me posted if it works out...

Title: Re: GM2700 AM FM radio
Post by: MIKE S on November 01, 2022, 10:44:27 PM

Rapid Roy is right. It is an antenna trim screw. Tune to 1400 and adjust for best reception. It is to compensate for different length antenna masts. Only relevant to AM.

Title: Re: GM2700 AM FM radio
Post by: philo_beddoe on November 13, 2022, 06:48:32 PM

Thanks! I’ll give it a try.