My lights, wipers, turn signal and heater stopped. I changed my lights, checked

What is your question?

My lights, wipers, turn signals and heater stopped. Changed fuses, lights and main relay switch on steering wheel. All went back on until I went to drive it. Help! Where's the main relay switch location I own a 1999 VW Jetta 2.0 liter

What makes this problem better or worse?

Not sure

How long has your 1999 Volkswagen Jetta had this problem?

A month