Description: Powered by any jump starter with a 12V outlet into an OBD II MemorySaver. Interface connector between a 12V DC power source and vehicle's OBDII port. Preserves vehicle codes and electronic presets. This device can work with any 12V DC power source, including jump starter, DC 12V Lead-acid battery, or another car ’s DC 12V power outlet. Package Includes: 1 Piece Car ECU Memory Saver Note: 1, with a red clip to connect the backup battery cathode, black to connect the negative (Positive and negative polarity will burn the car computer). 2, plug the red light, and then insert the car OBD plug, this time has been issued by the sound of drops, indicating normal connection. 3, at this time can change the battery, careful operation, pay attention to the replacement of the battery must lock the car, do not open the lights and other electrical equipment, not to the battery positive ground, otherwise it will burn the car OBD socket fuse. 4, for a good battery, the first release of the tools of the red clip, if also drops at this time ring, indicating successful, if there is no sound, indicating that the fuse burned
