I'm really hoping someone can help track down a battery drain issue with a 2007 Vauxhall Corsa.
We've been back and forth to a Vauxhall garage with this car since we bought it and have had a hell of a time.
We took the car to the garage about half a year ago because it was losing acceleration, and the battery was draining. Ultimately we had to have the turbo and the ECU replaced.
The bulk of the issues were sorted but since then we've still had issues with the battery draining. It'll drain a new battery within 12 hours so something still isn't right.
We think we managed to track down the issue to a relay that seems to be continuously clicking when the ignition is switched off.
According to this website http://fusesdiagram.com/opel-vauxhall/fuses-and-relay-opel-vauxhall-corsa-d.html that's R6 - Engine control(EC).
Can anyone advise on what the underlying issue may be? I'm hoping it's something simple.