hot-wire

verb2

1. •
   (informal) To wire, especially to a power supply, using a makeshift electrical connection.

   • I bypassed the switch and hot-wired the circuit board to the power supply.
2. •
   (informal) In particular, to start (an automobile engine) by bypassing the ignition key wiring, especially in order to steal the vehicle.

   • His attitude grew worse and his crimes escalated: he broke into garages in his neighborhood, he hot-wired cars, and his punches grew harder. — 2021