Hi All,

I have googled the hell out of this and at a loss of the cause of poor FM reception. Hoping someone might be able to help on here.

I removed my RDC300 for a Sony single DIN.
Bought an amp/converter to convert the twin fakra to DIN and cabled the blue wire to the switched power.
FM signal is very good until I turn the engine on, than it goes completely.

My thinking is the blue cable sends power down the antenna cable to the amp in the boot area but not sure.

Radio reception was fine before I changed the head unit so nothing is faulty on the car.

Earthing problem somewhere?

Thanks.