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Component Testers

10 Best Component Testers 2025 in the United States

Name: Autel PowerScan PS100, Universal Automotive Circuit Tester w/ 20ft Extension Cable, 12-24V Power Circuit Probe Kit, Read AC DC Resistance, Short Finder, Component Activation, Test Ground & Continuity
Brand: Autel
Price: 89.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

LAUNCH X431 PROS V+ 5.0 Elite Bidirectional Scan Tool with 2024 Newly Released DBSCar VII Connector,37+ Reset for All Cars,ECU Online Coding,CANFD,Key IMMO,FCA AutoAuth,VAG Guide,2 Yrs F-Ree Update

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Winner

Autel

Autel PowerScan PS100, Universal Automotive Circuit Tester w/ 20ft Extension Cable, 12-24V Power Circuit Probe Kit, Read AC DC Resistance, Short Finder, Component Activation, Test Ground & Continuity

9.7

score

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LAUNCH X431 PROS V+ 5.0 Elite Bidirectional Scan Tool with 2024 Newly Released DBSCar VII Connector,37+ Reset for All Cars,ECU Online Coding,CANFD,Key IMMO,FCA AutoAuth,VAG Guide,2 Yrs F-Ree Update

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FNIRSI

FNIRSI DSO-TC3 Oscilloscope - 3-in-1 Handheld Oscilloscope & DDS Signal Generator & Transistor Tester, 500Khz Bandwidth 10MSa/s Sampling Rate, 6 Types of Waveforms, Transistors Measure

9.4

score

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TopDiag

Topdiag P150 Power Circuit Probe Kit - Fuel Injector Test Voltage Tester Component Activation Automotive Circuit Tester 6-30V Short Circuit Finder Jump Lead Function Continuity Test

9.2

score

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DUOYI

Power Circuit Probe Tester 6V-24V DC Test Light Short Circuit Tester Component Activation Electrical Tester Polarity Identify Continuity Tester with LED Light, Long Test Lead, Overload Protection

8.9

score

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sinstar

Sinstar Multifunctional Car Circuit Tester, 6-24V AC/DC Car Power Tester, Component Activation Electrical Tester Digital Display Short Circuit Finder for Continuity Testing/Trailer Lights Testing

8.6

score

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VDIAGTOOL

Power Circuit Probe Kit VDIAGTOOL V200, Automotive Circuit Tester, 12V 24V Car Probe Tester, Electrical Diagnostic Tool, AC DC Diode Resistance Relay Fuse Activate Component Test, 40FT Cable

8.4

score

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Velleman

Velleman DCA55 Semiconductor Analyzer

8.1

score

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DROK

DROK Transistor Tester LCR Meter, Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector

7.8

score

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Sumnacon

Sumnacon 10 Pcs Multimeter Electrical Test Dual Lead Test Hook Clips - 5 Colors Silicone Flexible Test Cables for Electronic, Component, Testing Connecting

7.5

score

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#10

CMTOOL

Power Circuit Probe Tester 6V-24V DC Test Light Automotive Short Circuit Finder 12V Auto Electrical Tester Kit 12 Volt Car Fuse Tester Tool Component Tester Polarity Identify Overload Protection

7.2

score

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Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android

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Vgate vLinker FS OBD2 USB Adapter for FORScan HS/MS-CAN Auto Switch

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Innova 1000 OBD2 Scanner Bluetooth - Check Engine, ABS, SRS - No Subscriptions - Updates Included - Diagnostic Scanner for iPhone & Android - Supports 1996-2023 Vehicles - App Only Works in USA

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Vgate vLinker MC+ Bluetooth OBD2 Car Diagnostic Scan Tool for iOS, Android, Windows

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Vgate vLinker FS Bluetooth OBD2 Diagnostic Scan Tool, OBDII Car Code Reader for iOS, Android & Windows

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10 Best Component Testers 2025 in the United States

LAUNCH X431 PROS V+ 5.0 Elite Bidirectional Scan Tool with 2024 Newly Released DBSCar VII Connector,37+ Reset for All Cars,ECU Online Coding,CANFD,Key IMMO,FCA AutoAuth,VAG Guide,2 Yrs F-Ree Update

Autel PowerScan PS100, Universal Automotive Circuit Tester w/ 20ft Extension Cable, 12-24V Power Circuit Probe Kit, Read AC DC Resistance, Short Finder, Component Activation, Test Ground & Continuity

LAUNCH X431 PROS V+ 5.0 Elite Bidirectional Scan Tool with 2024 Newly Released DBSCar VII Connector,37+ Reset for All Cars,ECU Online Coding,CANFD,Key IMMO,FCA AutoAuth,VAG Guide,2 Yrs F-Ree Update

FNIRSI DSO-TC3 Oscilloscope - 3-in-1 Handheld Oscilloscope & DDS Signal Generator & Transistor Tester, 500Khz Bandwidth 10MSa/s Sampling Rate, 6 Types of Waveforms, Transistors Measure

Topdiag P150 Power Circuit Probe Kit - Fuel Injector Test Voltage Tester Component Activation Automotive Circuit Tester 6-30V Short Circuit Finder Jump Lead Function Continuity Test

Power Circuit Probe Tester 6V-24V DC Test Light Short Circuit Tester Component Activation Electrical Tester Polarity Identify Continuity Tester with LED Light, Long Test Lead, Overload Protection

Sinstar Multifunctional Car Circuit Tester, 6-24V AC/DC Car Power Tester, Component Activation Electrical Tester Digital Display Short Circuit Finder for Continuity Testing/Trailer Lights Testing

INNOVA 3145 Ford Digital OBD1 Code Reader

INNOVA 5210 OBD2 Scanner - Read/Erase ABS/Engine Codes, OBD2 Live Data, Oil Reset, Battery/Alt Test for 1996-2023 Vehicles, Verified Fixes via iPhone & Android App

INNOVA 5410 All-System OBD2 Scan Tool – Read/Erase Check Engine, ABS, SRS, and Transmission Codes

OBD2 Scanner TOPDON AD600S Scan Tool, Code Reader, Diagnostics Scanner for ABS/SRS/AT/Engine, 9 Reset Services, Oil/Brake/BMS/SAS/DPF/TPMS/ETS Reset/ABS Bleeding/Injector Coding, Free Lifetime Upgrade

LAUNCH OBD2 Scanner CRP123X Elite, 2025 Lifetime Free WiFi Update scan Tool, FCA SGW, SAS Calibration/Throttle/Brake/BMS/D-P-F/Oil Reset/ABS bleeding, Multi Systems Car Scanner, Battery Test, Auto VIN

Power Circuit Probe Kit VDIAGTOOL V200, Automotive Circuit Tester, 12V 24V Car Probe Tester, Electrical Diagnostic Tool, AC DC Diode Resistance Relay Fuse Activate Component Test, 40FT Cable

Velleman DCA55 Semiconductor Analyzer

DROK Transistor Tester LCR Meter, Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector

Sumnacon 10 Pcs Multimeter Electrical Test Dual Lead Test Hook Clips - 5 Colors Silicone Flexible Test Cables for Electronic, Component, Testing Connecting

Power Circuit Probe Tester 6V-24V DC Test Light Automotive Short Circuit Finder 12V Auto Electrical Tester Kit 12 Volt Car Fuse Tester Tool Component Tester Polarity Identify Overload Protection

Component Stereos

Audio Component Tuners

Co Testers

Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android

Vgate vLinker FS OBD2 USB Adapter for FORScan HS/MS-CAN Auto Switch

Innova 1000 OBD2 Scanner Bluetooth - Check Engine, ABS, SRS - No Subscriptions - Updates Included - Diagnostic Scanner for iPhone & Android - Supports 1996-2023 Vehicles - App Only Works in USA

Vgate vLinker MC+ Bluetooth OBD2 Car Diagnostic Scan Tool for iOS, Android, Windows

Vgate vLinker FS Bluetooth OBD2 Diagnostic Scan Tool, OBDII Car Code Reader for iOS, Android & Windows