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Silver automotive test light pen with long probe and extended wire, 4.08 × .43 inch brass and metal body

GAOLAOSY Automotive Test Light 6V 12V 24V Nickel-plated Copper

SKU CH-NBX9-DWEME

Tests 6 V, 12 V and 24 V circuits with a nickel-plated copper probe and alligator clip for bidirectional checks

  • IncludesAutomotive Test Light
  • Standards/Certificationsnot_applicable
  • Ergonomic non-slip grip reduces hand fatigue during extended diagnostics
  • Bidirectional testing with alligator clip simplifies fault tracing on positive or negative circuits
  • Compact 4.08 × 0.43 inch brass and metal construction fits in vehicle toolbox
  • Covers 6V 12V 24V systems for most automotive electrical applications
  • Integrated probe protection cover adds safety against accidental contact

Compact Circuit Tester

This brass-and-metal test light checks 6V, 12V and 24V vehicle circuits. An ergonomic non-slip grip and a protective probe cover give secure handling in tight engine bays. The bidirectional design lets you clip to either polarity and probe the opposite side for quick fault finding. It fits in a glove-box tool kit for roadside or workshop use.

Who It Suits

Mechanics and DIY owners who need a simple go/no-go indicator on low-voltage automotive wiring will find it practical. Technicians requiring numeric voltage readings, continuity beeps or high-voltage EV diagnostics should choose a multimeter or dedicated HV probe instead.

4.08 Inch Probe Length

The 4.08 × .43 inch probe reaches deep terminals and crowded fuse blocks without forcing adjacent connectors apart. This reach is the key spec that decides whether the tool fits your typical access points.

Highlights

  • Ergonomic non-slip grip reduces hand fatigue during extended diagnostics
  • Bidirectional testing with alligator clip simplifies fault tracing on positive or negative circuits
  • Compact 4.08 × 0.43 inch brass and metal construction fits in vehicle toolbox
  • Covers 6V 12V 24V systems for most automotive electrical applications
  • Integrated probe protection cover adds safety against accidental contact

Specifications

IncludesAutomotive Test Light
Standards/Certificationsnot_applicable

Questions about this item

Should I choose the 6V, 12V, or 24V version for my vehicle?

This single tester covers 6V, 12V, and 24V systems, so one tool works across motorcycles, cars, and light trucks without needing separate versions.

What does the bidirectional testing capability mean when I'm diagnosing a circuit?

You can clip the alligator lead to either positive or negative terminals and probe the opposite side, letting you trace live wires, check fuses, and verify relays in either polarity.

How does the probe size affect access in tight engine bays?

The probe measures 4.08 inches long by .43 inch wide, giving enough reach for deep connectors while staying slim enough for crowded fuse boxes and harnesses.

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