Top 10 Automotive Circuit Tester – Circuit Testers

As an Amazon Associate I earn from qualifying purchases.



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

JASTIND #ad - 3-48v widely use circuit tester/circuit test light, Designed to check car electrical circuits and other 3-48v wiring and circuits. 1 accuracy voltage reading on white Backlight digital display. Made with sharp stainless steel probe for piercing wires, for hard to reach areas. Portable 3. 6 m long enough PU spring wire for easy operation. Constructed with acetate fiber, high toughness and shatter-proof.
BrandJASTIND #ad
ManufacturerTianchang Zhaohong Instruments #ad
Part NumberJTCVT-01A



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

WINAMOO #ad - Bidirectional current voltage testing mode, you can attach the alligator clamp either to negative or positive ground, while use the probe to tough the other side. Equipped with sharp hard steel probe with protective rubber tip for piercing wires, heavy duty, clear tester body made with high quality ABS, also for hard to reach tight areas.

Solid construction, shatter-proof, durable than normal test light. Professional automotive circuit tester/circuit test light with 6-24V testing range, ideal for checking car truck and various vehicles electrical circuits, also for other 6-24v wiring and circuits. Easy operation, high quality 135 inch long enough PU spring wire with large size alligator clip for easy one hand operation. Quality led test light bulb, strictly tested long service life LED test light bulb, also including 1 pcs replacement bulb to make it serve you faithfully for years.
BrandWINAMOO #ad
ManufacturerWINAMOO #ad
Part NumberWITL103A

3. Autel


Autel PowerScan PS100 Automotive Circuit Tester Electrical System 12V/24V Car Auto Circuit Diagnostics Test Tool

Autel #ad - Safety design test for poor ground contacts instantly without performing voltage drop tests. Handy ps100 can follow and locate short circuits without wasting fuses. Multi-functional ps100 can determine at a glance if a circuit is positive, or open without having to reconnect clips from one battery pole to another.

20ft extendable cable provides excellent accessibility to test along the vehicle. Functionary ps100 is an electrical tester for reducing diagnostic time in all 6-30Volt vehicle electrical systems. The tool's long cable allows you to test along the entire length of the vehicle without constantly searching for suitable vehicle grounds. Allowing users to check circuitry in One Single Step. The tool is also short-circuit protected; its internal circuit breaker will trip if it becomes overloaded. Test for continuity with its built-in auxiliary ground lead. It’s the most revolutionary circuit tester to date.

Performs every type of service including power injection, measurement, ground testing, continuity testing and components activation. By depressing the power switch, negative, conduct a positive or negative battery current to the probe tip for testing the function of an electrical component without the use of jumper wires. Working modes easy to read avometer allows you to read voltage, polarity checks, current and resistance at the fingertip. An absolute must for every technician looking for a fast and accurate solution to electrical system diagnostics.
BrandAutel #ad
ManufacturerAutel #ad
Height4.3 Inches
Length10.5 Inches
Weight1.5 Pounds
Width7.6 Inches
Part NumberAutel PowerScan PS100

4. allsun


Allsun Pro Automotive Short and Open Finder Circuit Tester Wire Tracker Circuit Finder DC 6-42 V Short Circuit Detector Short Detector tool Power Probe Short Finder

allsun #ad - Time saver, makes things easier to find troubles, making your repairs quicker, Tried to find a fault in auto electric circuit. It detects and alerts you immediately where a circuit is open. Checking short circuityou can also find intermittent circuit problems by flexing wires or connectors and listening for a change in the receiver tone, 7 inch Flexible Probe Help Reaching Wires in Congested Places.

Quick and easy diagnostic judge continuity of the cables or wires, and diagnose the break point. Built-in buzzer sound Show Open or Short Circuit Conditions, easy to carry. Locating open circuitpowered by 2pcs*9v batteriesnot includes package.

Suitable for dc 6~42 volt circuit powerit will work on all kinds of circuits with voltages between 6 and 42 volt DC. Transmitter and receiver LEDs show open or short circuit conditions. You can quickly and easily Locate short circuits, open connections, broken wires, current leaks and even trace wires. Such as those found in automobiles, tractors, trucks, boats, RVs, etc. With its wide working voltage range.
Brandallsun #ad
ManufacturerZhangzhou Haimao Dianzi Keji Co., LTD #ad
Height1.2 Inches
Length8 Inches
Weight0.66 Pounds
Width1.8 Inches
Part NumberallsunEM415pro



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

JASTIND #ad - Constructed with acetate fiber, high toughness and shatter-proof. 1 v accuracy voltage reading on white backlight digital display. Made with sharp stainless steel probe for piercing wires, for hard to reach areas. 3-48v widely use circuit tester, designed to check vehicles electrical circuits and other 3-48v wiring and circuits. Portable 140 inch long enough PU spring wire for easy operation.
BrandJASTIND #ad
ManufacturerJASTIND #ad
Part NumberJTCVT-01B

6. findTop


Long Probe with Alligator Clip for Continuity Car Voltage, Extended Spring Test Leads, 2 Pack Heavy Duty Automotive Circuit Tester, findTop Professional Circuit Tester with Indicator Light

findTop #ad - Wide range- extra large 54-inch cord allows for great flexibility, range and freedom when testing circuits for shorts around the house or for big vehicles. The impact resistant handle ensures that the light bulb inside is safe.

Dc automotive and small equipment electrical systems for open, connections, turn signals, grounded or short circuits. Quickly check car headlights, fuses, faulty sockets, taillights, broken wires and more. Content- 2 x voltage Tester. Reinforced spring prevents damage to test lead at the base of the handle. The ergonomic, slim design ensures you have a tight and even grip on the handle. Premium quality- deluxe continuity tester tests 6-12 v.

Durable- sharp steel probe reaches into fuse boxes or pierces insulation to contact wire so you can keep your hands safe from any harmful material. Long probe with alligator clip- long probe with alligator clip make sure you are able to reach the tight place. Ac and 24 v. The light bulb in the handle is self-powered and will brightly illuminate to let you know if the circuit is good.
BrandfindTop #ad
ManufacturerfindTop #ad

7. Gardner Bender


Gardner Bender GAT-3400 Automotive Circuit Tester

Gardner Bender #ad - Test leads with an insulated alligator clamp. Tests fuses in junction block, automotive circuits for voltage and back probe connectors & sockets. Sharp tip for piercing wire insulation. We've added a small pocket clip for added convenience. Used to test dc voltage in automotive applications tests voltage from 6-12V. Durable abs housing for extreme toughness and long term use. 3 ft.
BrandGardner Bender #ad
ManufacturerGardner Bender #ad
Height10 Inches
Length1 Inches
Weight0.15 Pounds
Width4 Inches
Part NumberGAT-3400

8. Power Probe


Red PP319FTCRED Car Automotive Diagnostic Test Tool, AC/DC Current Resistance, Digital Volt Meter, Circuit Tester, Power Probe III w/Case & Acc

Power Probe #ad - Dc voltmeter Indicators provide active feedback. Resettable 8 amp circuit Breaker; Continuity Tester; Component Tester. Power cable Length of 20 Feet. Works on 12 - 24 Volt Range. Supply power or Ground for Functional Component Testing.
BrandPower Probe #ad
ManufacturerPower Probe #ad
Height10.25 Inches
Length7.5 Inches
Weight2.1 Pounds
Width4 Inches
Part NumberPP319FTCRED
WarrantyRepair only up to 1 year

9. ABN


Ground, Circuit Test, ABN Automotive Circuit Continuity Tester 6-48V DC LED Digital Display – Electrical Voltage, Power

ABN #ad - Diagnose electrical issues: use the abn automotive circuit continuity tester 6-48v dc test pen, power, Power, LED Digital Display – Electrical Voltage, Ground, ground, Circuit Diagnosis to detect electrical voltage intensity, and circuit integrity for each spark plug; Great for checking voltage/voltage drop without painstakingly digging out a multimeter.

All automotive applications: instantly detects broken plug wire and carbon clogged plugs on 6-48V DC systems in cars, vans, trailers, motorcycles, RVs, airplanes, boats, and snowmobiles; Voltage measurement from 4V to 60V.

Use in confined areas: spring cable extends to 12 feet 3m; Small, ergonomic design for easy use in hard-to-reach areas and awkward angles. Easy piercing: Needle-sharp stainless-steel testing probe allows for easy piercing. No guess work: digital display reads the accurate voltage value so you do not have to guess; LED indication for power red and ground green.
BrandABN #ad
ManufacturerABN #ad
Height1.5 Inches
Length12 Inches
Weight0.22 Pounds
Width5.25 Inches
Part Number0110
WarrantyThis product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.

10. Katzco


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

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