Car Truck Circuit Test Pen


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Product Description:

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

The package:

  • 1 * Circuit Tester


  • Due to manual measurements, please allow slight measurement deviations.
  • Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed in the picture.

Buying 2 products or more at the same time will save you quite a lot on shipping fees.

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WORLDWIDE SHIPPING Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit.