Hi,
Due to dust in the contact the interior light/roof lamp did not work, but before I knew that I made a measurement of pin 1 and 2 on I22.
With the door closed:
Pin1 / grund was +13,7V
Pin2 / grund was +13,7v
With the door open:
Pin1 / grund was +0,8V
Pin2 / grund was +13,7v
Then when I...