A Wisconsin man was charged monday for stalking his ex-girlfriend with GPS instrument. The GPS system was placed under the hood of her car.

Paul Seidler, 42, arrested last weekend. He was charged with stalking, burglary, second-degree reckless engangerment and disorderly conduct, and ordered held on $50000 bail.

Connie Adams, his ex-gf, asked Seidler to move out her apartment on Oct 25 and ended the 3year relationship.

Prosecutors say he immediately began following her, including when she ran errands and went to work.

Investigators checked under the hood of Adams' vehicle and found a Global Positioning System that uses satellite and digital cellular technology to pinpoint a target's location.