Jenni Posted January 15, 2006 Report Share Posted January 15, 2006 Hello,I have a 'Songbird' FM transmitter (same as this - HERE) which is really lovely, but, it goes through batteries like there's no tomorrow! So I bought a cable that will run it from the car cigarette power socket. But I need to know the polarity of the unit, does anyone know this? or can anyone tell me how to find-out? Quote Link to comment Share on other sites More sharing options...
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