Multi Function Automotive Circuit Tester Lead Kit Contains 92 Pieces Of Essential Test Aids & Test Lead & Electrical Testers & Auto Diagnostic Tools Wire Connectors Adapter Cables Set Functions: 1. When checking the parts, it could connect the back of terminal directly, would not to damage the circuit, reduce the circuit rust and avoid to adding impedance. 2. Apply to any Automotive Multimeter, the extended line of probe for oscilloscope. More convenient connection and checking rapidly. 3. When checking the electric current, only use the lines to connect the circuit, do not need to cut the electric wires. 4. Variable Resister can simulate the pretend signal of coolant temperature sensor, throttle valve sensor and send the pretend signal to computer. It would avoid risk to change the new parts again. 5. Equip 2 sets LED light. It can supervise hall effect, photoelectric signal, nozzle, electromagnetic valve, electromagnetic valve of transmission shift gear....and control signals. 6. SRS Connector can simulate airbag and routed contracting device of safety belt to avoid accident or miss-judgment. 7. Various wires in this box, it is suitable for the Europe, America and Japan terminal. High common use and convenience Packing: 1. 5KΩPotentiometer (Variable Resister) 2pcs 2. LEDStroboscope 2pcs 3. Various automotive flat terminals 48pcs 4. Acicular Probe 4pcs 5. Various automotive circular terminals 24pcs 6. Probe 2pcs 7. 1 to 2 connector 2pcs 8. Alligator clip 2pcs 9. 1 to 1 connector 4pcs 10. SRS connector 2pcs