POLARITY CONVERTER : NEG/- CAR RADIO INTO POS/+ VEHICLE

NEW HEAVY DUTY/WATERPROOF 10a POLARITY CONVERTER - NEGATIVE DEVICE INTO POSITIVE VEHICLE. THIS SMALL BUT HEAVY DUTY CONVERTER ALLOWS YOU TO SAFELY INSTALL YOUR NEGATIVE POLARITY CAR STEREO OR ANY DEVICE, WHETHER MODERN OR ANALOGUE, INTO A POSITIVE VEHICLE.  YOU CAN ALSO INSTALL ELECTRIC ANTENNAS, CHARGERS AND SATNAVS USING THE CONVERTER.
VERY SIMPLE TO INSTALL, HIDDEN AWAY FROM SIGHT, CONNECTED TO THE REAR OF THE RADIO BODY, THIS DEVICE DOES NOT ALTER THE COSMETICS OF YOUR RADIO AT ALL