Top 10 Relay Test Kit – Circuit Testers

As an Amazon Associate I earn from qualifying purchases.

1. Lisle


Lisle 56810 Relay Test Jumper Kit

Lisle #ad - No need to pierce wires or connect multiple jumper wires. Set includes four jumpers to fit the most popular size relays on domestic and import vehicles; simply remove relay to be tested, insert correct jumper and insert relay into jumper. When using green four pin jumper be careful to align pins on jumper and relay correctly. Set comes in blow-molded case for storage. Jumpers have tabs for clamping and flat pads to place test leads on.
BrandLisle #ad
ManufacturerLisle #ad
Height13.78 Inches
Length7.87 Inches
Weight0.5 Pounds
Width3.94 Inches
Part Number56810

2. Lisle


Green, Lisle 56850 Relay Test Jumper

Lisle #ad - Green relay Test Jumper. Green relay Test Jumper. Green relay Test Jumper. Green relay Test Jumper. Green relay Test Jumper.
BrandLisle #ad
ManufacturerLisle #ad
Height1.4 Inches
Length4.4 Inches
Weight0.09 Pounds
Width2.8 Inches
Part Number56850

3. TopDiag


9-30vAuto Circuit Tester Power Circuit Probe Kit Relay Tester 12/24 Volt Digital Multimeter Oscilloscope Current Injector Test Tool Diode Tester Voltage Detector for Car Truck Marine Motorcycle Boat

TopDiag #ad - Positive and negative polarity test 9. About service: extensive application, support multi language. Product specifications and parameters: ① operating temperature: 0 - 60 ° c 32 - 140 f ° ② storage temperature: 40 - 70 ° c - 40 - 185 f ° ③ external power supply: 12v or 24v, powered by battery ④ Minimum working voltage: 9V -- 30V ⑤ Maximum measured voltage: 01v -- 150v ⑥ resistance measurement range: 1 ohm ~ 200k ohm ⑦ Measuring current range: 0 ~ 18a ⑧ Maximum continuous current: 18a.

0- 5v adjustable power supply 7. Product list: ① test host 6m long test line ② all copper probe ③ double pass test connector ④ Crocodile clip battery connector ⑤ Relay test line ⑥ Probe adapter ⑦ 25amp fuse ⑧ Operation instruction ⑨ Product toolbox.

If you have any questions about Auto series and communication protocol, professional diagnosis, please email us and we will reply to you within 24 hours. Multimeter mode measure voltage, resistance, current, on-off, diode, frequency 5. Relay test 3. Intelligent recognition of voltage and resistance 2. Main functions of automobile circuit test: 1. Online upgrade. Size and weight: weight: 2.
BrandTopDiag #ad
ManufacturerTopDiag #ad
Height4.21 Inches
Length15.16 Inches
Width11.5 Inches
Part Numberp200



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

JASTIND #ad - Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits. Along with insulation protective rubber tip to against electric shock. Computer safe & backlight digital display part』heavy duty circuit light tester with highly clear LCD digital backlight display screen, resolution to.

1v voltage reading with high accuracy to ±02v, clear&visible digital readouts for day and night. Which is a must tool no matter for business or household use,  designed for checking various vehicles electrical circuits,  taillights,  such as automotive headlights,  faulty sockets, will serve you faithfully for years. Jastind always stand behind all of items with 100% product guarantee and satisfied customer support, just buy with confidence! Wide testing range』3-48v low dc voltage circuit test light, fuse connections,also helpful for testing other 3-48V wirings and circuits. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage.

100% quality guarantee』 if you are looking for a durable circuit testing tool, this one is for you. 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. Quality made tester body』professional automotive circuit tester with premium acetate fiber body,  allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas.
BrandJASTIND #ad
ManufacturerJASTIND #ad
Part NumberJTCVT-01B

5. YaeTek


Electrical Testers Wire Connectors Adapter Cables, Multi Function Auto Diagnostic Tools, Automotive Circuit Test Leads Kit with Black Carrying Case

YaeTek #ad - Its variable resistance can be used to simulate coolant temperature sensor signals, throttle sensor signals to the vehicle ECU, avoid unnecessary new parts equipped with 2 sets of LED lights. All kinds of wires in the cabinet of this machine have high versatility and are easy to use.

This versatile automatic circuit tester contains 90 commonly used leads and connectors in a portable and easily stored case. This complete suite turns test and measurement equipment into a powerful automotive diagnostic tool for troubleshooting an increasing number of sensors, actuators, and electronic circuits.

It can be used to monitor hall effect, photoelectric signal, nozzle, solenoid valve set transmission variable speed and control signal of various wires, heavy, applications :12 v and 24 v automotive, suitable for most of the terminal, rv, Marine equipment. A perfect line checking tool. Ability to quickly adjust and assist technicians to accurately check vehicle problems.
BrandYaeTek #ad
ManufacturerYaemart Corportation #ad
Part NumberKY-0021

6. Tool Aid


Tool Aid SG 23500 Back Probe Kit

Tool Aid #ad - Stainless steel, straight, 45 and 90 degree probes in. 027" and. 040" diameters. Insulated body for testing up to 30 volts. Probes easily insert into automotive connectors. Color identified back Probes for use on harness connectors, fuel injectors and automotive sensors. 12" extension leads quickly plug in to permit testing in recessed areas, compatible with standard 4mm plug.
BrandTool Aid #ad
ManufacturerSG Tool Aid #ad
Height1.25 Inches
Length9 Inches
Weight1 Pounds
Width4.5 Inches
Part Number23500

7. Oiyagai


Oiyagai 5 Colors 4MM Dual Ended Alligator Clips Test Leads Length 1M Use for Multimeter or Laboratory Electric Testing Work

Oiyagai #ad - Color: black Red Green Yellow Blue. Alligator clips opening: 10mm ; Plug size:4mm ; Cable Length : 1M. Maximum current:15 a ; Maximum voltage: 1000 V. Material: Copper and Rubber. 5 colors coded leads allow you to test circuits without crossing wires or causing shorts.
BrandOiyagai #ad
ManufacturerWillwin #ad
Part NumberB078HNBHGX



ESI 307M Fuse Buddy Mini Current Loop

ELECTRONIC SPECIALTIES #ad - Easy testing access; plugs right into fuse socket; no more hand made adapters. Testing range 0-30 amperes, do not exceed 30 amperes. Also handy for installers needing to monitor circuit amperage limits. Just clamp your current probe over the loop to access the amperage draw through a fused circuit. Great accessory for any current probe or automotive scope.
ManufacturerElectronic Specialties #ad
Height1 Inches
Length8 Inches
Weight0.11 Pounds
Width3.5 Inches
Part Number307M
WarrantyRepair only up to 1 yr



Power Probe Short&Open Circuit Electrical Tester Polarity Identify Circuit Tester Continuity Tester with LED Test Light,Overload Protection for Switches, Fuses of 6V-24V DC Vehicles, Relays,Diodes

MR CARTOOL #ad - Widely works on all 6-24V DC vehicle electrical systems. For some components of which negative terminal is required to be well grounded for large current flowing, this circuit tester with short-circuit protection can test for bad ground contacts instantly.  . If the current or load is too large during the power distribution process, the test pen will automatically disconnect to protect the battery and give a buzzer warning.

Note: this power probe do not use on AC voltage. It also has 4 meters wires for easy access and Clip with strong bite force which not easy to fall off, providing you better experience. Led signal light can help you clear problems at a glance. The insulation material used in this electrical tester has passed the CCC national safety compulsory certification, which is safe and reliable. Overload protection&double insulation protection electric testersthe test pen is equipped with overload power-off protection.

Circuit tester can assist you tracing problem wires and locating breaking points. Polarity identification&continuity testing&component inspection continuity testerthis power probe can help you quickly identify positive and negative polarity of electric cables and plugs. Red light indicates positive polarity and green light indicates negative polarity. Quick short circuit tracking &poor ground contact testing&jumper lead testing circuit tracerwhen the fuse burns, it may be caused by a short circuit or a sudden increase in the load of a component.
ManufacturerMR CARTOOL #ad
Part NumberDY18

10. AstroAI


Current, Continuity, AstroAI Multimeter 2000 Counts Digital Multimeter with DC AC Voltmeter and Ohm Volt Amp Tester ; Measures Voltage, Resistance; Tests Live Wire

AstroAI #ad - It’s a suitable tool if you want to do some household or commercial improvements whether DIYers or Hobbyists. Includes convenient feature like LCD Backlit Screen makes it easy to use in dimly light areas. Ease of use - support data hold, low battery indicator and continuity buzzer. Battery / set of test Leads / User Manual/ are Included.

Versatile digital multimeter - accurately measures ac/dc voltage, dc current, Charging System, Fuses, Batteries including Vehicles, automotive Circuit Troubleshooting, Resistance, and Diode. And low battery indication will be displayed when battery power is low. Troubleshooting with accuracy - this multimeter has a sampling speed of 2 times per second; Built-in a backlight LCD display with 3 ½ digits 1999 count 06”, and high polarity including negative and positive readings. Additional tips - this multimeter is designed to troubleshoot a variety of automotive and household electrical problems safely and accurately.

Suitable for household Outlets, Testing electronics in Cars etc. Ensures safety - double ceramic fuse is anti-burn and protects from overloading. The silicone cover is able to protect the multimeter from failing damage and prevent electric shocks. This multimeter is a really useful tool for solving industrial and household electrical issues. Note: this meter can not test AC Current; Ensure your multimeter is set to the correct setting before testing.
BrandAstroAI #ad
ManufacturerAstroAI #ad
Height1.4 Inches
Length5.1 Inches
Weight0.4 Pounds
Width2.8 Inches
Part Numbernmuk
Warranty1 Year Warranty by AstroAI