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Design and Function
Testing trailer lights and connections
• Use the negative clamp for setting up a ground connection.
• Connect the proof tip to the different trailer elements and lamps. Check the connection of the
plugs to the lamps and detect their classification.
• If the circuit breaker has been released, there is a ground connection.
• If the circuit breaker has been released, reset by using the reset button.
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V
Do not use on electronic control units!
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