Top 9 Circuit Tester Light – Voltage Testers

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1. Katzco

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6-12 V DC, Long Probe Tester With Indicator Light, Live Wires, Cars, Katzco Voltage Continuity and Current Tester, 54 Inch Cord for Low Voltage Systems, Fuses, 24 V AC Circuit, Heavy Duty

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Katzco #ad - Great for voltage regulators, mechanics, switches, fuses, broken wires, electricians, and more. Light bulb in handle indicates when the circuit is good. Extra large 54” cord increases flexibility, range, and freedom when testing. Set includes 1 continuity tester. Sharp steel probe reaches into tight places and pierces insulation.
BrandKatzco #ad
ManufacturerKayco USA #ad
Part NumberKZ-26001
Model13

2. WINAMOO

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Sharp Hard Steel Probe Vehicle Circuits Low DC Voltage Light Tester, 6-24V Test Light with 135 Inch PU Extended Spring Wire, Premium LED Bulb Automotive Circuit Tester

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WINAMOO #ad - Insulation protective rubber tip protects you against electric shock. Quality led bulb, high visibility and strictly tested long service life LED test light bulb to indicate circuits’ signal, the brightness of the light will be different with the different measured voltages. Bidirectional current voltage testing, you can attach the alligator clamp either to negative or positive ground, while use the probe to touch the other side.

Premium pu spring wire, heat insulation and oil resistance for safe use. Wide application, professional automotive circuit tester/circuit test light with 6-24V DC voltage testing range, faulty sockets, ideal for checking various vehicles electrical circuits, fuse connections, turn signal circuits, quickly check automotive headlights, taillights, also for testing other 6-24v DC wirings and circuits. Also including 1 pcs replacement bulb to make it serve you faithfully for years.

Constructed with high quality acetate fiber body, more durable than others. Convenient use, high quality 135 inch long enough pu spring wire offers more flexibility, along with large size alligator clip for easy one hand operation, convenient for use and storage, lighter and more durable than normal cable wires, will definitely improve your working efficiency. Quality made, sharp stainless steel probe for piercing wires, shatter-proof, also for hard to reach tight areas.
BrandWINAMOO #ad
ManufacturerWINAMOO #ad
Part NumberWITL103A
ModelWITL103A

3. WINAMOO

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Sharp Stainless Steel Probe Vehicle Circuits Low DC Voltage Auto Light Tester, Dual Color LED Bulb Automotive Circuit Tester, 6-24V Test Light with 135 Inch PU Extended Spring Wire

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WINAMOO #ad - Premium pu spring wire, shatter-proof, heat insulation and oil resistance for safe use. Also including 1 pcs replacement bulb to make it serve you for years. Bidirectional testing modethis test light allows bidirectional current flow, when testing, while using the probe to touch the other side, you can attach the alligator clamp either to negative or positive ground, red light indicates the positive polarity, green light indicates the negative polarity.

Quality madesharp stainless steel probe for piercing wires and hard to reach tight areas. High quality acetate fiber body, more durable than others. Insulation protective rubber tip protects you against electric shock. Quality dual color led bulbstrictly tested led bulb to indicate circuits’ signal and polarity, red and green light bulb for high visibility and easy identification.

Wide applicationprofessional automocircuit test light with 6-24V DC voltage testing range, faulty sockets, taillights, quickly check automotive headlights, fuse connections, ideal for checking various vehicles circuits, also for testing other 6-24v DC wirings and circuits. Convenient usehigh quality 135 inch long enough pu spring wire offers more flexibility, more durable than normal cable wires, convenient for use and storage, along with large size alligator clip to for easy one hand operation, will definitely improve your working efficiency.
BrandWINAMOO #ad
ManufacturerWINAMOO #ad
Part NumberWITL103B

4. JASTIND

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Large Size Heavy Duty 3-48V Digital LCD Circuit Tester with 140 Inch Extended Spring Wire,Car Truck Low Voltage & Light Tester with Stainless Probe

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JASTIND #ad - Free 100% lifetime satisfaction guaranteeWe always stand behind our products with lifetime customer satisfaction guarantee, so click "Add to Cart" with confidence today. 3-48v wide range 3-48v widely use digital circuit tester/circuit test light, headlights, turn signal circuits, taillights, designed to check car vehicle electrical circuits, fuses, faulty sockets, automotive battery and other 3-48v DC wirings and circuits.

Portable pu spring for easy operation portable high quality max extended to 140 inch long enough PU spring wire, compitable with large alligator clip for easy one-hand automotive circuits testing and also for convenient tool storage. Large and heavy duty than other test lights on the market; sharp stainless steel probe for piercing wires and for hard to reach areas.

Quality made and heavy duty constructed with acetate fiber body, more toughness and shatter-proof than normal material. Computer safe accurate backlight digital display resolution to. 1v voltage reading on white backlight LCD digital display, with high accuracy to ±02v. Which draw much less current than the incandescent lamp so it's less likely to damage sensitive circuits. Make it convenient and clear to check or maintain your vehicle circuits in a dark place.
BrandJASTIND #ad
ManufacturerTianchang Zhaohong Instruments #ad
Part NumberJTCVT-01A
Model13

5. JASTIND

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Automotive Circuit Tester with Sharp Stainless Probe, Car Truck Vehicles Low Voltage Tester, JASTIND Premium 3-48V DC Digital LCD Display Test Light with 140 Inch Extended Spring Wire

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JASTIND #ad - Extended pu spring & large alligator clip』high quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas.

Attach with large size alligator clip for easy one hand operation, also for convenient use and storage. Along with insulation protective rubber tip to against electric shock. Quality made tester body』professional automotive circuit tester with premium acetate fiber body,  allows for more toughness and durability. Wide testing range』3-48v low dc voltage circuit test light,  faulty sockets,  designed for checking various vehicles electrical circuits,  such as automotive headlights,  taillights, fuse connections,also helpful for testing other 3-48V wirings and circuits. Computer safe & backlight digital display part』heavy duty circuit light tester with highly clear LCD digital backlight display screen, clear&visible digital readouts for day and night.

Jastind always stand behind all of items with 100% product guarantee and satisfied customer support, just buy with confidence! Which is a must tool no matter for business or household use, will serve you faithfully for years. 100% quality guarantee』 if you are looking for a durable circuit testing tool, this one is for you. Jastind test light draws much less current than the incandescent lamp, resolution to. 1v voltage reading with high accuracy to ±0
BrandJASTIND #ad
ManufacturerJASTIND #ad
Height1.5 Inches
Length13 Inches
Width4 Inches
Part NumberJTCVT-01B
Model8542039909

6. ALLOSUN

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ALLOSUN GK5225 Automotive Wire Piercing DC Voltage Circuit 6V / 12V Hook Probe Tester 59 Inch Cord with LED & Buzzer Indicator, white

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ALLOSUN #ad - Note: only test on dc 6-12v circuits and DO NOT test with voltage above 15V. Not recommended to use on sensor or computer wiring. Widely applications: use in the shop to check wires when installing radios and brake controllers, on your camper to test which wires operate the tail lights, or any trailer wiring application.

Easy to read: includes two high visibility LED bulb & loud buzzer for easy identification. Quickly test wiring: identify wiring issues such as short circuits, test connections, fuses, wiring harnesses, and more. Three interchangeable probes allow the tool to be used as a touch-type or pierce-type tester. Safe commitment: the hook cover design prevents you from stabbing your own finger when placing the tester in a wire; Cord is insulated for heat and oil resistance and safe use; Constructed with a slim stainless-steel probe for piercing and locking onto the wire, even in hard to reach areas.

Hands-free operation: tester has an end hook to hold the wire to free up your hands to decrease down time and increase productivity; Can be used as a probe on its own by removing the plastic sleeve that hooks the cable or as a probe and hook that pierces the wire.
BrandALLOSUN #ad
ManufacturerZhangzhou Eastern Intelligent Meter Co., Ltd #ad
Height1.5 Inches
Length11 Inches
Width1.5 Inches
Part NumberGK5225
ModelGK5225
WarrantyAfter-sale Service Warranty within 1 year, in the precondition of non-artificial damage.

7. Klein Tools

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Klein Tools 69136 General Purpose Twin-Lead Tester

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Klein Tools #ad - Overall length: 7-7/8-inch; Weight: 005-pound. 5-inch 127mm test leads have probes on the ends. Handy pocket clip makes it easy to access and carry. Neon lamp glows to indicate a live circuit. Overall length: 7-7/8-inch; Weight: 005-pound. Tests voltage in the 90-250 volt range, AC or DC. Tests voltage in the 90-250 volt range, AC or DC. Handy pocket clip makes it easy to access and carry. Neon lamp glows to indicate a live circuit.
BrandKlein Tools #ad
ManufacturerKlein - Geneva Supply #ad
Height1 Inches
Length7.88 Inches
Width2 Inches
Part Number69136
Model69136

8. OTC

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OTC 3636 Heavy-Duty Coil Cord Circuit Tester

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OTC #ad - High current clips with protective boots open to an extra wide 5/8 inch for ease of hook-up. Features include 12 foot heavy-duty coiled cord and checks both 6 and 12 volt systems. Designed for testing electrical circuits and locating shorts grounds and open circuits. Ergonomic slim designed clear handle with a bright red slim style replaceable bulb. Positive contact-molded strain relief.
BrandOTC #ad
ManufacturerOTC #ad
Height2 Inches
Length2.3 Inches
Weight0 Pounds
Width10.1 Inches
Part Number3636
Model3636
WarrantyOne (1) year limited warranty

9. HOLYSHINE

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Dual Probes PU Antifreeze Cable Big Alligator Clip Two-Way Voltage Test, Testing Circuit Low Voltage System,HOLYSHINE, Automotive Circuit Tester, Test Light Automotive 3-24 Volt DC Voltage Tester

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HOLYSHINE #ad - It can indicate the state of the circuit. Premium quality: automotive circuit tester probe made of steel, it can reach tight areas that are hard to reach. Tester light bulb: this led test light circuit tester bulb has high visibility and long service life. Wide applications: 3-24v automotive screwdriver test light, widely used circuit test, including battery Test, Brake Light Test, Headlight Test, This Automotive Tester Can Also Be Used for Other 6-24V Circuit Test, Excellent for Various Circuits on Automobiles, Fault Connections and Injector Signal Test.

Abs body provides superior durability Over Other Products, With A Large Alligator Clip for Convenient One-Handed Operation. During positive connection, the Red Led Will Be On, The Green Led Will Be On. Also, used for threading, As It Is Shatter-Resistant.

Customer satisfaction: please let us know If There Is Anything We Can Do to Help You If You Are Not Satisfied. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced. Bidirectional testing: alligator clamps of circuit breaker tester can be connected to Either Negative or Positive Ground, And During Negative Connection, With the Probe Touching the Other Side. A top-of-the-line 47-inch pu wire that provides Heat Insulation, Wear Resistance, And Tensile Strength to Test Light for car.
BrandHOLYSHINE #ad
Manufacturer58421521 #ad
Height1 Inches
Length7 Inches
Width2.3 Inches
Part Numberd-001