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Red automotive circuit tester device with a cable and alligator clips for electrical testing
A red automotive circuit tester device with a cable is shown next to a white car.
A red digital automotive electrical tester with a black cable and testing probes is shown.
A red power probe circuit diagnostic tool with a black cable and gold probes is shown next to a black electrical cable.
A handheld polarity/continuity test probe with a red body and cable, demonstrating positive and negative testing on an automo
An orange automotive circuit tester with a black probe is shown, illustrating overload protection features.
A black electric circuit tester with a red handle and a 6-24V cable is shown next to its manual.
A circuit tester is shown being used on a vehicle electrical system, demonstrating wide compatibility for 6-24V DC systems.
A red digital automotive electrical tester with a black cable and testing probes is shown.
A black automotive circuit tester device with a probe and cable, showing positive and negative test indicators.
A green automotive circuit tester with a probe and cable is shown next to a pair of pliers.
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6-24V Automotive Circuit Tester with 4M Cable

Regular price $36.99 Sale price $30.99 – $33.99

Why customers love it

Pinpoint electrical faults in minutes

This 6-24V automotive circuit tester helps you diagnose electrical issues in cars, trucks, and boats with a stainless steel probe and a 4-meter cable.

  • Works with all 6-24V DC electrical systems
  • Tests switches, relays, diodes, fuses, and circuits
  • Determines positive and negative polarity
  • Finds short circuits and performs self-tests
  • Overload protection up to 7A for safe use
  • 4-meter cable for reach in tight spaces
Red automotive circuit tester device with a cable and alligator clips for electrical testing

Why you'll love it

Universal compatibility

Works with all 6-24V DC electrical systems, so you can use it across cars, trucks, and boats without worrying about voltage mismatches.

Comprehensive diagnostics

Tests switches, relays, diodes, fuses, and circuits, and determines positive and negative polarity to help you identify faults quickly.

Built-in safety

Overload protection up to 7A keeps the tester safe during use, while the stainless steel probe and durable plastic construction stand up to regular handling.

Reach tight spaces

The 4-meter cable gives you the flexibility to test components in hard-to-reach areas without moving the vehicle or removing parts.

Specs

The details that matter

Built to last outdoors, season after season.

Voltage
6-24V
Cable length
4 meters
Probe material
Stainless steel
Overload protection
Up to 7A
Product type
Automotive circuit tester

Our worry-free shopping promise

If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.

Frequently asked questions

Everything you might want to know before you order.

What voltage systems does this circuit tester work with?

This tester works with all 6-24V DC electrical systems, making it suitable for cars, trucks, and boats.

What can I test with this circuit tester?

You can test switches, relays, diodes, fuses, and circuits, and it also determines positive and negative polarity to help identify wiring issues.

How long is the cable?

The cable is 4 meters long, giving you plenty of reach to test components in tight or hard-to-access spaces.

Does it have overload protection?

Yes, it has overload protection up to 7A, which helps keep the tester safe during use.

What is the probe made of?

The probe is made of stainless steel, providing durability and reliable contact during testing.

Can it find short circuits?

Yes, it finds short circuits and performs self-tests to help you quickly diagnose electrical problems.

Shipping & returns

Shipping

  • Delivers to United States (based on your selected country/region).
  • Estimated delivery: 3–15 business days after dispatch.
  • Shipping cost: Free.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.

Shipping policyReturn & refund policy

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  • 5 stars: 1 (50%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
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  • 1 star: 1 (50%)
M
Malcolm Kutch

It arrived and it's an excellent product, just as described.

Malcolm Kutch review photo
N
Numbers King

Sent wrong colour asked as you can see for green they sent red. then pretended they don’t understand when i questioned it and sent pictures

Numbers King review photo Numbers King review photo