Car Truck Circuit Test Pen

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Style:  Red wire spring wire digital display (3-24V)
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This probe pen is ideal for checking circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles and other low voltage systems. Connect the alligator clamp to the ground, then take the probe to test circuit. If the indicator light is on, there is electricity.


  • Handle is made of plastic and the hardened & tempered carbon steel probe is chrome plated.

  • The sharp steel probe easily pierces wire insulation to check circuitry.

  • Light in handle glows when circuit connection is complete.

  • Test a range of circuits ranging from 3V to 70V.

  • Light weight design and super convenient to bring with.


  • Material: Plastic, Carbon steel

  • Color: As the picture show

  • Clamp Capacity: 20A

  • Bulb: 3 Watt Bulb (Replaceable)

  • Voltage Range: 3V-24V(3V-70V)

  • Pen Length: 17.3cm / 6.8inch

  • Probe Length: 8.3cm / 3.3inch

  • Line Length: 96cm / 37.8inch

  • Quantity: 1pc


  • 1 * Car Truck Circuit Test Pen


  • Please allow slight measurement deviations due to manual measurement.

  • Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.