Check the panel lights resistor switch and be sure that they are not turned off.
The switch could be bad or the wire could be burned out.
the carbaretta could have blown mate
Check the brake light switch. This can cause the brake lights to go out. There have been a couple of recalls on the 2001 for this exact problem. Contact your local VW dealer and have the switch replaced.
Check wiring harnesses - prone to corrosion
Bad hazard switch.
It could be the cooling fan swith, the water temperature sensor, or the cooling, (radiater), fan motor. It can allso be a loose electrical connection or a blown fuse.
The wrong anti-freeze could cause the water to freeze in the engine. The wrong anti-freeze could cause abnormal corrosion in the radiator.
It could be the brake light switch, usually mounted on the brake pedal.
First. It sounds like you have some wires in the wrong place. At no time should anything you do concerning your rear lights affect your wipers. You also probably have a short circuit or a broken wire somewhere.
The Headlight switch is where the dash receives it's power from.
check your wiring for your lights under the dash or a bad ground