23-05-2021, 10:32 AM
The cigarette lighter socket can be set to output power regardless of ignition switch position. (It's changed by the location of the fuse in the fuse box. If you find the owners manual online you'll see info on this).
As for the radio, have you another you can try in there to check it isn't the radio itself? They're a common cause of parasitic draw. Either that or the wrong harness adapter is possibly being used.
As for the radio, have you another you can try in there to check it isn't the radio itself? They're a common cause of parasitic draw. Either that or the wrong harness adapter is possibly being used.