Innovate Motorsports LMA-3 Multi-Sensor Auxiliary Input Device (also known as the AuxBox). It is a data acquisition and signal conversion tool used for tuning automotive engines. Put a 12v power source to it as seen in pictures to show it turns ons (Multimeter and wires used for testing not included) I dont believe it was every hooked up or used We ship daily and will get your item to you asap Thank You
