Hi Folks,
How does one check for this?

 

The easiest way to do this is with a DC clamp meter which you can Google.

You switch everything off that you know about and clamp it around the main battery cables after zeroing the meter take a reading. It should be less than 0.5 amps depending on what you have fitted. If its a lot more pull out each fuse and notice with one makes it drop. The current draw is on that circuit.


https://volkswagenforum.com/forum/ne...gnature-34185/