grounding radio through aerial

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=127177
Printed Date: May 12, 2025 at 10:23 PM

Topic: grounding radio through aerial

Posted By: richy-rich
Subject: grounding radio through aerial
Date Posted: May 01, 2011 at 5:46 AM

Good day.
Im sorry if this is in the wrong section but i am new to this forum.

I am having problems with my car radio's fm.

The signal is very weak. I have heard and seen somewhere that i need to include the aerial in the radios grounding but i have no idea how.

Can someone please help me with this :) :) :)

Regards

Richard

Replies:

Posted By: i am an idiot
Date Posted: May 01, 2011 at 6:26 AM

Your aerial is already grounded. The aerial itself is grounded where it is mounted to the vehicle. The other end of the cable is grounded to the radio's aerial input jack.

What kind of vehicle is it? It may have a powered antenna that you did not power up.

Posted By: richy-rich
Date Posted: May 01, 2011 at 4:00 PM

Thank you for the reply I am an idiot.

I do know that the aerial is already grounded to the body of the car :) and no it is just a standard aerial, it doesn't have an amplifier on it.

In the documentation it shows the aerial as part of the grounding, like in between the radio and battery I think, and I have heard from a friend that the radio ground has to have the aerial included in it.

I have an MK1 VW golf with a radiant DVD radio

Posted By: i am an idiot
Date Posted: May 01, 2011 at 4:56 PM

I know the deck may be Radiant, but that would be my first thought as to your bad reception.

Posted By: ac0j
Date Posted: May 02, 2011 at 8:38 PM

ARE YOU SURE this isnt a powered antenna? very common on VW's for the factory antenna to be amplified! There is a special antenna adaptor for those with a blue remote wire you need to connect., BUT you should get "decent" fm reception even with a short length of wire put into the antenna connector on the radio. (instead of the antenna)

OR your antenna is bad, OR your radio is defective.

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