A 2007 car Honda accord 2. 4L with a mileage of about 160 thousand km. When the charging indicator light suddenly appears on the vehicle, the driver overhauls at a repair shop and decides to damage the generator voltage regulator. Due to the tight time, the repair personnel installed the external external voltage regulator for their generators after the driver agreed. The test run was normal after completion, but soon after the driver drove away, the engine suddenly stalled. The driver inspected, found a 7.5A fuse for ECM/PCM power supply, and then switched on the only 15A fuse and opened the ignition switch. The fuse immediately burned and the vehicle was unable to start.