Look inside behind the fuse panel. You’ll see the relay panel and relay 173. A closer look at relay 173 installed. Pull relay 173 out to disable the daytime running, Second method: Modifying the light switch The pin connectors at the back of the light switch lights. The object here is to stop electrical current from traveling through these pins.
For MY 1998-2001 Passats (B5) tape over, bend, or break pin TFL to disable the DRL when the light switch is in the OFF position. For MY 2001.5-2003 Passats (B5.5) tape over, bend, or break pin B to disable the DRL when the light switch is in the OFF position.
