OBD2 Breakout Box 14V Programming Power Supply For Mercedes BENZ ECU Coding

OBD2 Breakout Box - ECU Programming Protection. Our OBD2 Breakout Box. Other OBD2 Breakout Boxes. OBD2 Signal Test ✔ Yes ✘ No ✘ No ✔ Yes. 13.8V / 14V Power Output ✔ Yes ✔ Yes ✔ Yes ✘ No. "Since using this, I've never fried an ECU during programming!