Profile: ATech Training, Inc. designs and manufacturers automotive training equipments. Our troubleshooting trainer model 1801B is the workstation for automotive electricity and electronics programs. This trainer features modified digital meter (volt-ohm-amp) to accelerate ohm's law learning. It includes integrated power supply and 12VDC power source for use with courses. Our GM J1850 OBD II model 2652 is designed to teach computer and network-controlled automotive power-train system operation. This trainer allows for instructor demonstration, student hands-on reinforcement and troubleshooting practice. It is powered with an internal power supply.