Beginning next Thursday, Massachusetts Attorney General Andrea Joy Campbell plans to start enforcing the state’s automotive right-to-repair law. But this week, the world’s top automakers asked a federal judge to stop her. The statute requires that automakers who sell cars in Massachusetts provide consumers and independent repair shops with wireless access to the car’s “telematics” — digital information needed to diagnose the vehicle’s performance. With access to the telematics, independent mechanics can repair these vehicles as easily as authorized dealers. The Alliance for Automotive Innovation, a car industry trade group, sued to block enforcement of the law almost from the…