Danimal
If you use a durametic and turn on the OBC and then get a temperature reading on your cluster you have OBC capability.
It takes 4 wires and a ground from the OBC steering wheel stalk to the cluster connector. four wires need to have a pin on the end to insert into the cluster connector. Some folks know what they are doing and match pins up from electronic shops. Others buy two wires from Volkswagen and cut each in half to get 4 wires with pins.
You can add the OBC stalk without removing the steering wheel.
Once you have the OBC you may well be disappointed with the minimal information available.
Would I do it again, probably not. Good Luck
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