Top 10 Circuit Tester Automotive – Electrical System Tools

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Circuit Voltage Tester with Replacement Indicator Light for Car/Vehicles, JASTIND Heavy Duty Automotive Circuit Tester, Premium 6-24V Test Light with Extended Spring Test Leads & Sharp Piercing Probe

JASTIND #ad - Made with sharp super hard steel probe for piercing wires, also for hard to reach areas. Portable 135 inch long enough PU spring wire cord and large size alligator clip for easy and one hand operation.

6-24v widely use circuit tester, designed to check vehicles electrical circuits, automotive battery, circuit integrity and other 6-24 volt wiring and circuits.1100% customer satisfaction service. Strictly tested long service life test light bulb, including 1 pcs replacement conductive spring& bulb set to make it serve you faithfully for years. Heavy duty construction, shatter-proof, heavy duty, large size tester body made with high quality ABS, durable than normal test light.
BrandJASTIND #ad
ManufacturerJASTIND #ad
Part Number4354323523



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

JASTIND #ad - 3-48v wide range, 3-48v widely use circuit tester/circuit test light, designed to check car electrical circuits and other 3-48v DC wiring and circuits. 100% lifetime satisfaction customer service, we always stand behind our products, click "Add to Cart" with confidence today.

Quality made and heavy duty, constructed with acetate fiber body, high toughness and shatter-proof than normal material, large and heavy duty than normal test light on the market; sharp stainless steel probe for piercing wires, for hard to reach areas. Accurate lcd digital display, resolution to. 1v voltage reading on blue back light LCD digital display, with high accuracy to ±03v. Easy and convenient operation, portable high quality max extended to 140inch long enough PU spring wire for easy automotive circuits testing.
BrandJASTIND #ad
ManufacturerJASTIND #ad
Part NumberJTCVT-01C



3-32V Test Light with 96 Inch PU Extended Spring Wire, WINAMOO Premium Digital LED Automotive Circuit Tester, Vehicle Circuits Low Voltage Light Tester with Sharp Stainless Probe

WINAMOO #ad - Quality made, sharp stainless steel probe for piercing wires, also for hard to reach tight areas. Convenient use, convenient for use and storage, lighter and more durable than normal cable wires, high quality 96 inch long enough PU spring wire offers more flexibility, along with large size alligator clip for easy one hand operation.

Heavy duty test light body constructed with high quality ABS, shatter-proof, more durable than normal test lights. Bidirectional voltage testing, you can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity. Computer safe accurate led digital reading, clear&visible led reading display for day and night. Led circuits board with micro current than traditional test lights,.

1 v resolution ratio with 05v accuracy. Wide application, quickly check automotive headlights, faulty sockets, taillights, ideal for checking various vehicles electrical circuits, fuse connections, turn signal circuits, professional automotive circuit tester/circuit test light with 3-32V DC voltage testing range, also for testing other 3-32v DC wirings and circuits. Insulation protective rubber tip protects you against electric shock. Compared with lcd, digital lED voltage display for accurate volt readouts, more secure and burn-resistant to automotive computer board.
BrandWINAMOO #ad
ManufacturerWINAMOO #ad
Part NumberWTATL1001B



ANCEL PB100 Automotive Circuit Tester Probe Kit Vehicle Diagnostic Test Tool Car Digital Volt Meter 12V 24V Electrical Power AVOmeter AC/DC Voltage Diode Current Resistance Detector

ANCEL #ad - It features red/green polarity indicators, supply power/activating components, follows & locates short circuits, and checks bad Ground contacts. Wide application - ancel pb100 circuit tester is a fast and efficient electrical scanning probe, fuel pumps, including cars, trailers, works on all 12-24V vehicle electrical systems, relays, boats, and more.

4 working modes - dc voltage mode for reading the dc voltage with a resolution of 01 volts; ac voltage mode for reading the Max. A must-have tool - designed for voltage & polarity testing, signal circuit testing, continuity testing, trailer lights & connections testing. Built-in 2 headlights allow you to work in the dark area; an extra 20 feet extension cord allows reaching wires in or out of the vehicle or some congested places; a rugged carry case to store the tool whenever. Voltage, the Min.

Voltage, and frequency; resistance mode for reading the resistance between the tip and auxiliary ground lead; Diode mode for checking forward bias or reverse bias. A quick self-test is a must before starting to test a circuit or component, which ensures your tool is in excellent condition. Safety & durable - an auto circuit breaker makes this tool very safe and sustainable and its short-circuit protection protects the device from overload. Friendly design - a friendly navigate user menu makes it easier to operate, even a beginner without a manual.
BrandANCEL #ad
ManufacturerANCEL #ad
Height2.9 Inches
Length10.2 Inches
Width8.7 Inches
Part NumberPB100

5. Power Probe


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

Power Probe #ad - Dc voltmeter Indicators provide active feedback. Supply power or Ground for Functional Component Testing. Power cable Length of 20 Feet. Works on 12 - 24 Volt Range. Resettable 8 amp circuit Breaker; Continuity Tester; Component Tester.
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



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

7. Power Probe


Power Probe PP319FTCW/PPLS01

Power Probe #ad - 4mm leads and connectors. Relay and component tester. Power probe III. Cigarette lighter adapter | 3 feet probe tip. Power probe III and accessories. Continuity tester. The red cables are found under the printed manual sheet. Works on 12-24v Sources. Battery hook-up clips | 20 feet extension lead.
BrandPower Probe #ad
ManufacturerPower Probe #ad
Height3.48 Inches
Length3.48 Inches
Weight4.75 Pounds
Width11.5 Inches
Part NumberPP3LS01

8. All-SunTech


All-Sun EM285 Power Probe Car Circuit Tester with Automotive Electric System 6-24V DC Tools Support Track and Locate Short Circuits Test for Continuity with The Assistance of Auxiliary Ground Lead

All-SunTech #ad - Handy all-sun em285 have long cable makes your testing easily. It is a comprehensive 6-24V DC test kit. Test for bad ground contacts. Clamp the red clip to the positive terminal of the vehicle's battery. Operate instrcution ①unroll the unit's cable.

After the circuit breaker trips,   if this item is still connected with the testing object and you keep pressing down the power switch, it will reset automatically within 3 to 5 seconds. Test for polarity of electric cables and plugs. After an alarm sound, the circuit breaker will repeat the process of trip and reset automatically. Functionary allsun em285 is an electrical tester for Reducing Diagnostic Time in Automotive Electrical Systems. Clamp the black clip to the negative terminal of the vehicle's battery.

Test for polarity of a voltage. After a simple hook-up of the unit to the vehicle's battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward. Check switches, relays and the on-off of diodes, fuses and circuits . Track and locate short circuits. The unit has short-circuit protection and can test for bad ground contacts instantly.
BrandAll-SunTech #ad
ManufacturerAll-Sun #ad
Height2.1 Inches
Length12.5 Inches
Width6.3 Inches
Part NumberSO408

9. ABN


ABN Wire Piercing Circuit Tester LED Test Light 6-12-24V – Automotive Probe Tool Electric Trailer Wiring Diagnosis

ABN #ad - Safe: unlike typical testers, 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.

Easy to read: includes a high visibility LED bulb for easy identification. 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. Quickly test wiring: identify wiring issues such as short circuits, test connections, wiring harnesses, on your camper to test which wires operate the tail lights, fuses, and more; Use in the shop to check wires when installing radios and brake controllers, or any trailer wiring application.

Take anywhere: cord is 12 feet 3. 7m long so you can use on virtually any application; Keep this tester handing in your toolbox or any storage area.
BrandABN #ad
ManufacturerABN #ad
Height13 Inches
Length4 Inches
Weight0.22 Pounds
Width1.8 Inches
Part Number4115

10. OTC


OTC 3633 Mini-Coil Cord Circuit Tester

OTC #ad - The standard in electrical system testing - this basic and simple to use tester provides the capability to locate shorts, grounds, and open circuits. For use with 6 volt and 12 volt systems. Needlepoint stainless steel probe allows easy back probing and piercing; special threaded probe comes with screw on alligator clip for additional versatility. 12 foot long, red, heavy-duty coiled cord lead; ergonomic, slim design clear handle. Bright red, high intensity /slim style replaceable bulb.
BrandOTC #ad
ManufacturerOTC #ad
Height1.7 Inches
Length2.85 Inches
Weight0 Pounds
Width8.55 Inches
Part Number3633
WarrantyOne (1) year limited warranty