Full Protocol OBD2 Jumper for ECU Programing Full protocol OBD2 jumper is used to connect ECU for ECU programming via OBD2 way such for MPPS, FGTECH, , BYSHUT, DISPROG, etc. Why Do You Need a Full Protocol OBD2 Jumper? 1. Supports DC power supply 2. Support safety protection banana head super programming dedicated connection port power supply. 3. GND4, GND5 [meet the needs of special ECU programming]. 4. With boot GND4 clip, compatible for programming equipment such as MPPS, FGTECH, . 5. With GND4 GND5 short-circuit switch (some ECUs need to be switched to short-circuit mode when programming). Note: The switch of GND4-5 is normally pressed to light. When some ECUs need to be independently connected to GND4 and GND5, release the switch. 6. With ignition analog switch (equipped with 1 and 2 small dedicated ignition cables). 7. Support standard obd2 full protocol connection (double K line, double CAN line), 3 and 2 small power plugs, 4 GND, 4 small GND. 8. Equipped with CAN protocol communication resistance. Material: Plastic colour: As shown Package Contents: 1 x Full Protocol OBD2 Jumper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.