More convenient connection and checking rapidly. 1 to 1 connector 4pcs. Alligator clip 2pcs. 1 to 2 connector 2pcs. Probe 2pcs. Equip 2 sets LED light. Acicular Probe 4pcs. Variable Resister can simulate the pretend signal of coolant temperature sensor, throttle valve sensor and send thepretend signal to computer.
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