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MG MGA - Fitting Radio

Hi I wish to fit a modern radio to my MGA. I want to hide under passenger dash. The problem is that all modern audio's seem to be negative earth. Is it still possible to fit these to a positive earth car ?
D J Joy

Yes, but not a good idea as any bridge between the isolated radio and the car will be a short circuit.

The better idea is to change the polarity of the car, which is really easy to do.

But if you want a period radio that is dual polarity and modified to accept an external input (iPhone etc) I have one for sale.

Polarity change is easy to do and the instructions are
found here
http://mgaguru.com/mgtech//electric/et202.htm
dominic clancy

DJ, as an alternative, there is technology out there where you can use your smartphone or MP3 player, or leverage an existing radio with the use of a hidden Bluetooth device (it has dual polarity). I attached a link to one of the providers:

http://www.outofsightaudio.com/home.html

Vintage positive or dual ground radios are out there, and they do come up periodically on auctions sites. I actually have a Lucas dual polarity 8-track tape player in my A.

Nick Kopernik

Hi
I have been through this route, originally thinking of fitting a + earth radio. Then found the programmes may be limited so have gone now to - earth with 12v battery, alternator and my cd radio from my mgtf. All working good. I have also fitted an adaptor to the battery terminals which allows me to recharge/connect my phone or battery charger. You may wish to look into this option, always reversible.
Brian
Brian Paddon

This thread was discussed on 04/10/2016

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This thread is from the archive. The Live MG MGA BBS is active now.