Instructions
The 6/12 Volt Circuit Tester checks voltage in the wire or circuit under test.
1. Connect the clip to a good vehicle ground (frame, engine block, negative battery terminal, etc)
2. Use the test probe to probe or pierce the wire or circuit being tested
3. If the circuit testera??s lamp illuminates, voltage is present in the wire or circuit. If it does not, voltage is not present and there is an open in the wire or circuit.
CAUTION!
not use this tester in high impedance circuitry on computer controlled vehicle. Damage to vehicle parts may occur.
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(HSVC004) 
Product Feature