Top 10 Relay Tester Automotive Kit – Electrical Testers

As an Amazon Associate I earn from qualifying purchases.

1. Lisle


Lisle 56810 Relay Test Jumper Kit

Lisle #ad - 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. Set comes in blow-molded case for storage. No need to pierce wires or connect multiple jumper wires. Jumpers have tabs for clamping and flat pads to place test leads on. When using green four pin jumper be careful to align pins on jumper and relay correctly.
BrandLisle #ad
ManufacturerLisle #ad
Height13.78 Inches
Length7.87 Inches
Weight0.5 Pounds
Width3.94 Inches
Part Number56810

2. Relay Buddy


Relay Buddy Electronic Specialties 190 Automotive Relay Tester

Relay Buddy #ad - Settable to 4 and 5 pin relay - tests the 3 most popular automotive relays. Quick off-the-car relay tester - checks relay coil and switch contacts. Uses vehicle's 12 Volt battery for power. Switch contact are loaded to detect excessive resistance. Automatic test with good/bad indication - fails bad relays.
BrandRelay Buddy #ad
ManufacturerElectronic Specialties #ad
Height3 Inches
Length7 Inches
Weight0.76 Pounds
Width5 Inches
Part Number190
Warranty1 Year

3. Sigmaprobe


Sigmaprobe Power Circuit Probe Kit Automotive Circuit Tester 9V-30V Relay Tester Automotive Kit Intelligent Automotive Car Electrical System Diagnostic Tool AC DC Relay Tester Multimeter Fuse Tester

Sigmaprobe #ad - Dual automatic circuit breaker protectionshort-circuit automatic Protection, real time monitoring; 20amp fuse, when circuit overload the internal protection system automatically starts circuit protection, with a fuse in the ground wire to protect device when the circuit is overloaded or short-circuited. With 20ft long wire, you can increase the work area; Ergonomic grip design, non-slip comfort; USB firmware online upgrade; Extreme circuit tester for technicians/mechanics/engineers/diy-ers.

Full functions the latest upgrade of the circuit tester is a multi-functional intelligent voltage tester. Car electrical system test tool is widely testing continuity, test trailer lights, activating componets, signal circuit, seach bad ground andshort circuits, etc. It is specially used to test circuit detection within 9-30V. Premium designtft 2. 4-inch true color screen with beautiful appearance; front led light for working in dark environment; Large alligator clips are stable when the device is powered by battery.

Usage & customer servicethere are 5 keys function selection, navigation/numeric adjustment; 9 grid design visualization icons of Voltage/Resistance/Diode/Current/Frequency easy to identify; come up with case for storage and portable; 18-month warranty, and friendly customer service, any question, please feel free to contact us. Fast intelligent testautomotive circuit tester can automatically identify the voltage, resistance, and positive and negative polarity of the detected circuit; display the tested numeric value accurately; automotive circuit tester powered by battery safety and environment friendly.
BrandSigmaprobe #ad
ManufacturerSigmaprobe #ad
Part NumberSP5
WarrantyOne year warranty

4. TopDiag


Car Electrical System Test Tool AC/DC Digital Voltage Short Finder, 2022 Newest 9v-30V Power Circuit Probe Kit with 0~5V Power Supply Fuel Injector Relay Mode, TopDiag P200 Automotive Circuit Tester

TopDiag #ad - Smart test & positive & negative testwhen connected to the probe of car electrical test tool to measure voltage, it will automatically become an instant auto-range, intelligent judgment does not require manual selection, resistance, positive/negative polarity, and the corresponding parameter values and prompts are displayed on the HD LCD screen.

It can diagnose problems in the components, electrical circuit systems or fuel injectors of the car in the shortest time. Even though the vehicle is updated every year, signal circuit, finding bad ground and short circuits, mechanic, activating components in your hand and in the vehicle, our Car Circuit Tester can keep up with the upgrade and never fall behind! Widely applicationthis car electrical tool kit is widely testing continuity, test trailer lights. Newly upgraded car circuit testerthe 2022 new generation of intelligent p200 automotive circuit tester is the only circuit board tester on the market that can be upgraded, a tool for quickly testing all 9V-30V electronic systems.

It is worth mentioning that topdiag p200 auto circuit tester has been added 300+ USD valued powerful functions, namely: Fuel Injector Test Relay test mode. Damage to the fuel injector can easily lead to unstable idle speed of the engine, increased fuel consumption, causing engine shock. Besides positive activation, power on components at a moment notice. Fuel injector & relay testerit is extremely important to regularly test the fuel injector. Topdiag makes diagnosing your car easier and saves maintenance costs.
BrandTopDiag #ad
ManufacturerTopDiag #ad
Height4.2 Inches
Length15.2 Inches
Width11.5 Inches
Part NumberP200



Electrical System Tool Short Tester Car Fuse Relay Automotive Circuit Tester Fuel Injector Tester&Cleaner Breaker Finder Tracer Tool with 20Ft Cable for 6-30V Vehicle, Power Circuit Probe Kit

GODIAG #ad - Most practical circuit testerwith the gt103 probe tester, relays and the on-off of diodes, you can test for continuity/polarity/voltage and ground signals/Short&Open Circuit. 20ft long test leadthe gt103 circuit tester features a long 20-foot 6m cable that allows you to test from the front to the rear of the vehicle trucks, vessels, tractors and other vehicles that use DC circuits without constantly searching for suitable vehicle grounds, trailers, so easy to check the whole electrical circuit system.

Circuit overload protectionthe gt103 circuit tester provides more safety for the user because it is protected by a 10-amp circuit breaker. When the injector is clogged, acceleration and fuel consumption, etc, Save your money!. The circuit breaker is a valuable test tool as well as a safety measure to protect the tool from overload and make the product more durable. Led indicator&buzzer prompt function&highly sensitive probein order to help you clear problems at a glance, the power circuit probe tester comes with two LED indicator and a buzzer. Package includes1 x probe scaner with 20ft6m cable, 1 x fuel injector test lead, 5 x relay connection leads, 1 x user manual.

Car fuel injector tester & cleanerfree diy injector cleaning adapter kit included with the package! when the vehicle has difficulty in starting, this kit is easily to clean most car motorcycle fuel injectors. Portable and quick test electrical testerwith the gt103 car circuit tester tool, turn signals, lift windows, negative, you can determine at a glance whether a circuit is positive, short or open; Test for continuity with its built-in auxiliary ground lead; can also easily test the vehicle's headlights, sunroofs and others, helping you to find out whether it is a circuit problem or a component damage. Efficient & labor-free, you can also use it to save expensive nozzles, it is necessary to check the fuel injector.
BrandGODIAG #ad
ManufacturerGODIAG #ad
Part NumberGODIAG-HKAD181



9-30V Electric Circuit Tester Automotive Electrical Tester Tool with 6m/20ft Extension Cable, Power Circuit Probe Tester Kit, with Toolbox, Multimeter/Battery Tester/Short Finder/Voltage Tester

CMTOOL #ad - 6. Power circuit probe tester for relay test & injector testautomotive relay tester function: able to test common automotive relays, such as 5-port relays and 4-port relays. 3. Automotive circuit tester with digital multimeter modeAutomotive circuit tester contains the common parameters of multimeters, resistance, and frequency, and can quickly test the DC voltage, current, and diode in the circuit system, bringing a lot of convenience to users.

8. Automotive electrical tester with 2. 4-inch lcd displaythe circuit probe tester adopts a TFT liquid crystal display, which has the characteristics of good brightness, and a strong sense of hierarchy. Injector test function: 4 types of pulse models can be output to the injector to better detect the condition of the injector. 7. Circuit tester with voltage prompt function the output voltage can be set to 0-5v, which is used to verify the wiring of the component under test.

The electrical tool is equipped with a voltage setting prompt. The work efficiency and time are digitized, high contrast, and the adjustment is more precise. 1. 10 working mode and multiple test applications10 working modesmart test, online update. Test applicationscontinuity test, component activation, 0-5v power supply, follow&locate short circuits, Oscilloscope Mode, Check for Bad Ground Contacts, fuel injector Test, Relay Test, Multimeter Mode, Signal Circuit Test, Positive/Negative Test, Activate Components in You Hand/Vehicle/W/Ground, Setting, Trailer Lights and Connection Test.
BrandCMTOOL #ad
ManufacturerCMTOOL #ad
Part NumberAY-29
Warranty3 year



Back Probe Pin Kit, HORUSDY 22PCS Back Probe Kit

HORUSDY #ad - 22pcs back probe kit is for harness connectors, automotive sensors and fuel injectors. Back probe is made of stainless steel, 90 degree, 15pcs with 3 kind Straight, 135 degree and five color. Back probe can test up to 30 volts. Easier use on automotive connectors. 2 pcs nickel plated copper Alligator clips. 5pcs banana plugstandard 4mm with copper alligator clips wires, 5 colors to identify.
BrandHORUSDY #ad
ManufacturerHORUSDY #ad
Height1.2 Inches
Length8 Inches
Width4 Inches
Part Number95609

8. BBjinronjy


Fuse Assortment Kit,306pcs Car Boat Truck SUV Auto Automotive Assorted Replacement Blade Fuses Standard & Mini & Low Profile Mini-2A 5A 7.5A 10A 15A 20A 25A 30A 35A with Fuse Puller Circuit Tester

BBjinronjy #ad - 306pcs fuses kit: a full fuse set of 3 different sizes : standard & mini & low profile mini, covers 27 commonly used blade fuses: 3 different sizes*9 models. Well organized in a plastic container, 9 model: 2A/ 5A/ 7. 5a/10a/ 15a/ 20a/ 25a/ 30a/ 35a, included: 90pcs standard fuses10pcs of each model ;108pcs Mini Fuses12PCS of each model ;108pcs Low Profile Mini Fuses12 PCS of each model.

Easy identification: color coded amperage makes it identifiable, meaning the amperage labels 3, 5, 25, 15, just matched the right color with the original one. 2pcs fuse puller and 2pcs circuit tester: coming with a pair of fuse puller, help you remove the fuse easily. 6-24v widely use Circuit Tester to diagnose short circuit or defective fuse. Use the probe to touch wires or fuse, if the circuit test light lights up, if doesn?¡t, good circuit, bad circuit.

Excellent quality: the blade fuses kit is made of high quality zinc alloy, which can fast and precise fuse current to protect your car from excessive current flow and short circuit. Covered with a transparent housings, helps you view the blown fuse status easily. All in one fuse kit: this is a universal set of fuses, etc. Applied to a variety of low-voltage electronic. Suitable for every family that owns one or more cars.
BrandBBjinronjy #ad
ManufactureriBoBoyBBjinronjy #ad
Part Number0



Vehicle Circuits Low Voltage Light Tester with Sharp Stainless Probe, Premium Digital LED Automotive Circuit Tester, DC 2.6V-32V Test Light with Portable PU Extended Spring Wire

WINAMOO #ad - Computer safe accurate led digital reading digital led voltage display for accurate volt readouts, clear&visible LED reading display for day and night. Led circuits board with micro current than traditional test lights,. 1 v resolution ratio with 03v accuracy. Heavy duty test light body constructed with high quality ABS, more durable than normal test lights.

Wide application professional automotive circuit tester/circuit test light with 2. 6-32v dc voltage testing range, quickly check automotive headlights, ideal for checking various vehicles electrical circuits, taillights, faulty sockets, fuse connections, turn signal circuits, also for testing other 2.66-32v dc wirings and circuits. 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.

Quality made sharp stainless steel probe for piercing wires, shatter-proof, also for hard to reach tight areas. Convenient use high quality 96 inch long enough PU spring wire offers more flexibility, convenient for use and storage, lighter and more durable than normal cable wires, along with large size alligator clip for easy one hand operation. Insulation protective rubber tip protects you against electric shock. Compared with lcD, more secure and burn-resistant to automotive computer board.
BrandWINAMOO #ad
ManufacturerWINAMOO #ad
Part NumberWTATL1001B

10. KJ-KayJI


USB C Tester,KJ-KayJI 2 in 1 Tester IPS Digital Multimeter2022,Voltage,Cur,Pwr,Resistance,Elec,Temp,Capacity,Tme,Fast Charging,with 3A Discharge Load Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2

KJ-KayJI #ad - Usb tester can detect data such as voltage, resistance, D/D-, electricity, V/V-, current, temperature, fast charge, etc. Multiply by 90%. Ips hd color screen is clearer. Test power bank/phone mahtest power bank, discharge quickly with load, the battery is exhausted, "cap" will show how much mah capacity the Power bank has. Important tips and 18 month warranty service included: 1 x usb tester, 1 x 3a discharge load, tester pd charging function will be activated.

Multiple detection functions of usb c testerusb c tester can monitor the voltage, power, current, resistance, power, charging time, capacity, temperature of micro-usb cable/usb c cable/usb a to usb c Cable/USB C/USB A device, Test Group and fast charging. Check the performance of usb c/usb a charger and USB C Cable/usb a to usb c Cable charging speed and quality. It can also be used to find the maximum current of wireless chargers and test the capacity and power of power banks. Test charger voltage and currentsupport usb a charger, adjust the current to the charger support current, if the tester shows that the voltage and current match the charger support current, the quality of the charger is excellent, USB C Charger.

Cable, after connecting the charger, indicating that the Cable supports fast charging. Test whether fast charging is supportedcharger, and "fcp" and "fast" appear on the display interface, adjust the current to 3A, the display interface shows "FCP" and "FAST", insert the tester and load into the charger to adjust the current to 3A, insert the cable into the tester and connect to Load, indicating that the charger supports fast charging. Test cable voltage and currentsupport testing micro-usb cable, if the tester the displayed voltage and current are in line with the current supported by the charger, connect the load to test the voltage and current of the cable, the cable quality is not good, usb c to usb c Cable.
BrandKJ-KayJI #ad
ManufacturerKJ-KayJI #ad
Height0.4 Inches
Length2.5 Inches
Width2 Inches
Part NumberJ7-B