[tc4me]

Hy Darth, So changing the fan from permanent positive (terminal 30) to ignition positive (terminal 15) is not possible with your Jette, because it is regulated by a control unit. In the jet as in the golf, there are 2 typical electrical weak points,
1: The electrical ignition part, spare part: febi bilstein 38638 ignition switch
and the 2 is more true. the control unit:
There are 2 types of construction: the relay / control unit is attached behind the dashboard or by the battery

here are some very good instructions in German
https://www.sgaf.de/content/kuehlerlueft...ayl-437154

tc4me