I've located what has been draining my battery. Recently my battery has been dying after not driving it for a couple of days. I connected a multimeter to battery and narrowed the fault down to the number 3 fuse inside the car which is for interior electrics such as radio and lights. I disconnected the radio and no difference on the multimeter. There is a small silver box behind the radio I've disconnected and the amps on the multimeter went down to 0.06 which is exactly what it should be. Before it was 0.35. My radio still works fine with this box disconnected. Does anybody know what it is? I've called my insurance company and they say it is not the black box.
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