My 2010 VW CC is having a parasitic drain issue and I've isolated the problem to one of the fuses which is for the rear window raisers and for the central locking system. If I keep this fuse out overnight, I can start my car but if I leave it in and lock my car, it drains within a couple of hours and I have to jump my car. The problem with leaving this fuse out and calling it a day is that you're unable to lock the car. How do I begin to troubleshoot this issue? Where exactly is the "central locking system"?


You start by isolating each component connected to that fuse / circuit and finding out which one is causing the drain.

A process of elimination and it helps if you approach this logically ie disconnect all and reconnect one component at a time.

| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.