Shop relay tester

Sponsored
About our ads
$15.49
$48.57
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
68% off
$15.49
$48.57
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
$19.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V Led
eBay
$19.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V Led
eBay
$47.34
$59.99
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
488
Free shipping
21% off
$47.34
$59.99
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
$20.98
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
Free shipping
$20.98
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$19.99
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$19.99
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$20.99
$21.39
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$20.99
$21.39
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$18.99
$27.81
Automotive Relay Tester Diagnostic Instrument 12V24V Universal Four Foot Five Foot Analysis Tester Automotive Repair Automotive Relay Tester/Automotiv
LightInTheBox
31% off
$18.99
$27.81
Automotive Relay Tester Diagnostic Instrument 12V24V Universal Four Foot Five Foot Analysis Tester Automotive Repair Automotive Relay Tester/Automotiv
LightInTheBox
$17.99
6Pcs Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$17.99
6Pcs Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$17.99
9038A Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
Free shipping
$17.99
9038A Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$29.90
$59.90
Car Relay Tester
US AMERICA
50% off
$29.90
$59.90
Car Relay Tester
US AMERICA
$19.98
Automotive Relay Tester - 4 & 5 Pin 12V Auto Diagnostic Tool, Small
eBay
Free shipping
$19.98
Automotive Relay Tester - 4 & 5 Pin 12V Auto Diagnostic Tool, Small
eBay
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
1K+
Free shipping
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
53% off
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
365
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
Free shipping
38% off
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
$14.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
Free shipping
$14.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
$21.77
Mictuning 9038 Relay Bypass Switch Relay Tester, Relay Bypass Switch
eBay
Free shipping
$21.77
Mictuning 9038 Relay Bypass Switch Relay Tester, Relay Bypass Switch
eBay
$6.95
$14.18
Auto Relay Tester For 12V - Durable Car Diagnostic Tool With Battery Clips, Fits 4-Pin & 5-Pin
Aliexpress
50% off
$6.95
$14.18
Auto Relay Tester For 12V - Durable Car Diagnostic Tool With Battery Clips, Fits 4-Pin & 5-Pin
Aliexpress
$66.21
Cal-Van Tools 75-1 | Relay Tester Unit Replacement Part | Auto Tool World
AutoToolWorld.com
$66.21
Cal-Van Tools 75-1 | Relay Tester Unit Replacement Part | Auto Tool World
AutoToolWorld.com
$98.86
Electronic Specialties 194 Super Relay Buddy - Relay Tester
JBTools
6
$98.86
Electronic Specialties 194 Super Relay Buddy - Relay Tester
JBTools
$99.95
Electronic Specialties Off-The-Car Relay Tester - El190
Penn Tool Co
$99.95
Electronic Specialties Off-The-Car Relay Tester - El190
Penn Tool Co
$30.00
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
Free shipping
$30.00
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
$8.78
$17.12
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
48% off
$8.78
$17.12
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
$26.49
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$26.49
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$8.67
$16.90
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
48% off
$8.67
$16.90
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
$6.75
$12.41
2024 Newest Red Relay Tester 12V Universal Electronic Automotive Car Circuit Detector Battery
Aliexpress
45% off
$6.75
$12.41
2024 Newest Red Relay Tester 12V Universal Electronic Automotive Car Circuit Detector Battery
Aliexpress
$106.99
ELECTRONIC SPECIALTIES Off-The-Car Relay Tester, EL99378
Zoro.com
$106.99
ELECTRONIC SPECIALTIES Off-The-Car Relay Tester, EL99378
Zoro.com
$118.43
IPA Relay Bypass Switch Kit: Electrical System Diagnostics Tools, Plastic Model: 9038A
Grainger
$118.43
IPA Relay Bypass Switch Kit: Electrical System Diagnostics Tools, Plastic Model: 9038A
Grainger
$32.69
$44.46
Automotive Relay Tester - 4 5 Pin 12V Auto Diagnostic Tool, Small Handheld DIY Car Tester With Battery Clips, Relay Testing Kit, Electrical Systems Tool | Patented
www.mbweather.com
26% off
$32.69
$44.46
Automotive Relay Tester - 4 5 Pin 12V Auto Diagnostic Tool, Small Handheld DIY Car Tester With Battery Clips, Relay Testing Kit, Electrical Systems Tool | Patented
www.mbweather.com
$55.99
$75.19
Electronic Specialties 191 Relay Buddy Pro Test Kit
jmpropiedades
Free shipping
25% off
$55.99
$75.19
Electronic Specialties 191 Relay Buddy Pro Test Kit
jmpropiedades
$24.15
LISLE Gray Relay Tester, 60650
Zoro.com
$24.15
LISLE Gray Relay Tester, 60650
Zoro.com
$25.59
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$25.59
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$57.10
Electronic Specialties 190 Relay Buddy Tester
JBTools
$57.10
Electronic Specialties 190 Relay Buddy Tester
JBTools
How to Test a 5 Pin Relay With a Multimeter: A Step-By-Step Guide - Easy Car Electrics
How to Test a 5 Pin Relay With a Multimeter: A Step-By-Step Guide …
Dec 1, 2022
easycarelectrics.com
3 Best ways to test a relay? in 5 minute - SM Tech
3 Best ways to test a relay? in 5 minute - SM Tech
Aug 9, 2019
somanytech.com
How to Test a 4-Pin Relay With a Multimeter: A Step-by-step Guide
5:24
How to Test a 4-Pin Relay With a Multimeter: A Step-by-step Guide
2.2K viewsNov 24, 2024
YouTubeERIC AUTO CENTER
How To Test A 4 Pin Relays With A Multimeter Easy Does
5:55
How To Test A 4 Pin Relays With A Multimeter Easy Does
36.8K viewsJun 11, 2023
YouTubeERIC AUTO CENTER
How To Test a Relay The Easy Way
13:01
How To Test a Relay The Easy Way
2.9M viewsMar 10, 2019
YouTube⚙️Homie Hektor⚙️
How to properly test a relay with multimeter | Full details
7:51
How to properly test a relay with multimeter | Full details
1.2K viewsJun 1, 2023
YouTubeJherFixPH-Daily Wrench
How to Test a Relay the Correct Way
6:54
How to Test a Relay the Correct Way
2.7M viewsFeb 10, 2013
YouTubeRatchets And Wrenches
8:08
How To Test a Relay (and How Relays Work) - in 8 minutes
3.7M viewsDec 31, 2020
YouTubeMake It Easy Mechanic
4:15
How To Test A Relay With Multimeter
8.1K viewsSep 25, 2021
YouTubeTARIQ LAB
6:59
Learn how to test Relays with multimeter, how relay works
46.6K viewsJun 1, 2022
YouTubeElectronics Repair Basics_ERB
4:42
How to Properly Test a Car Relay - Relays 101 - Resistence Check
126K viewsDec 19, 2020
YouTubeTutorialGenius.com
3:13
{451} How to Test Relay with Multimeter
5.7K viewsSep 8, 2021
YouTubeHaseeb Electronics
3:05
How To Test A Relay | With A Multimeter #Electrorers
102 viewsOct 6, 2024
YouTubeElectrorers
1:37
How To Test A Relay With A Multimeter (In One Minute)
1.3M viewsOct 21, 2022
YouTubeElectro University
5:52
How To Test A Relay In Your Car Fuse Box With A Multimeter FAST
3.7K viewsJun 8, 2022
YouTubeFix Car Yourself
7:34
How to test a Relay
80.6K viewsFeb 22, 2020
YouTubeGarageTech
2:53
How to Test Car Relays
865K viewsApr 1, 2013
YouTubeMark's Garage
1:26
Auto Repair & Mechanics : How to Test a Car Relay
339.5K viewsApr 2, 2009
YouTubeehowauto
12:36
How to test a relay and the relay circuit
724.6K viewsMar 21, 2019
YouTube⚙️Homie Hektor⚙️
9:52
DIY: How to Test a Relay
401.8K viewsSep 8, 2014
YouTube4DIYers
5:13
How to Test a Relay using a Multimeter | 5 pin relay connectio…
2.3K viewsAug 25, 2023
YouTubeElectronic Experiment
1:01
How To Test and Diagnose Relays
77.3K viewsJun 1, 2023
YouTubeMaster Automotive Training
3:19
How To Test A Relay: 8 Step-By-Step Guide | Very Easy
1.8K viewsNov 30, 2023
YouTubeStudent Lesson
3:59
How to Test a 4 or 5 Pin Relay with a multimeter.
17.2K viewsMar 5, 2024
YouTubeSuperBee79
14:11
How to Test a 3, 4 or 5 Pin Relay - With or Without a Diagram
1.8M viewsNov 1, 2014
YouTubeRatchets And Wrenches
2:19
Easiest Way to Check a Relay
366K viewsOct 23, 2017
YouTubeBarbour's Auto Help
11:29
How to test your car relay the correct way
2.4K viewsFeb 24, 2023
YouTubeThe Car Care Garage
3:20
Testing relays with multimeter
58K viewsMay 2, 2017
YouTubeShaun Mercado
10:32
How Solid State Relays Work | Testing Solid State Relay with Mul…
590K viewsMay 21, 2021
YouTubeUpmation
See more videos
Static thumbnail place holder

Shop relay tester

Sponsored
About our ads
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
1K+
Free shipping
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
53% off
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
365
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
Free shipping
38% off
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
$14.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
Free shipping
$14.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
$21.77
Mictuning 9038 Relay Bypass Switch Relay Tester, Relay Bypass Switch
eBay
Free shipping
$21.77
Mictuning 9038 Relay Bypass Switch Relay Tester, Relay Bypass Switch
eBay
$6.95
$14.18
Auto Relay Tester For 12V - Durable Car Diagnostic Tool With Battery Clips, Fits 4-Pin & 5-Pin
Aliexpress
50% off
$6.95
$14.18
Auto Relay Tester For 12V - Durable Car Diagnostic Tool With Battery Clips, Fits 4-Pin & 5-Pin
Aliexpress
$66.21
Cal-Van Tools 75-1 | Relay Tester Unit Replacement Part | Auto Tool World
AutoToolWorld.com
$66.21
Cal-Van Tools 75-1 | Relay Tester Unit Replacement Part | Auto Tool World
AutoToolWorld.com
$98.86
Electronic Specialties 194 Super Relay Buddy - Relay Tester
JBTools
6
$98.86
Electronic Specialties 194 Super Relay Buddy - Relay Tester
JBTools
$99.95
Electronic Specialties Off-The-Car Relay Tester - El190
Penn Tool Co
$99.95
Electronic Specialties Off-The-Car Relay Tester - El190
Penn Tool Co
$30.00
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
Free shipping
$30.00
Automotive Electronic Relay Tester Car Relay Tester Universal 12V LED Indicator
eBay
$8.78
$17.12
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
48% off
$8.78
$17.12
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
$26.49
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$26.49
Relay Switch Kit 9038 Relay Tester Kit FOR Diagnostic Tester Scan Tool & Fuel
Walmart
$8.67
$16.90
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
48% off
$8.67
$16.90
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
$6.75
$12.41
2024 Newest Red Relay Tester 12V Universal Electronic Automotive Car Circuit Detector Battery
Aliexpress
45% off
$6.75
$12.41
2024 Newest Red Relay Tester 12V Universal Electronic Automotive Car Circuit Detector Battery
Aliexpress

Shop relay tester

Sponsored
About our ads
$15.49
$48.57
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
68% off
$15.49
$48.57
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
$19.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V Led
eBay
$19.99
Automotive Electronic Relay Tester Car Relay Tester Universal 12V Led
eBay
$47.34
$59.99
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
488
Free shipping
21% off
$47.34
$59.99
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
$20.98
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
Free shipping
$20.98
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$19.99
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$19.99
Car Relay Tester Universal Automotive Relay Tester 12V 4 & 5 Pin Pro
eBay
$20.99
$21.39
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$20.99
$21.39
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$18.99
$27.81
Automotive Relay Tester Diagnostic Instrument 12V24V Universal Four Foot Five Foot Analysis Tester Automotive Repair Automotive Relay Tester/Automotiv
LightInTheBox
31% off
$18.99
$27.81
Automotive Relay Tester Diagnostic Instrument 12V24V Universal Four Foot Five Foot Analysis Tester Automotive Repair Automotive Relay Tester/Automotiv
LightInTheBox
$17.99
6Pcs Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$17.99
6Pcs Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$17.99
9038A Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
Free shipping
$17.99
9038A Relay Tester Diagnostic Scan Tool Fuel Pump Relay Bypass Master
eBay
$29.90
$59.90
Car Relay Tester
US AMERICA
50% off
$29.90
$59.90
Car Relay Tester
US AMERICA
$19.98
Automotive Relay Tester - 4 & 5 Pin 12V Auto Diagnostic Tool, Small
eBay
Free shipping
$19.98
Automotive Relay Tester - 4 & 5 Pin 12V Auto Diagnostic Tool, Small
eBay
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$131.99
Electronic Specialties Relay Buddy Tester, ESI190
Advance Auto Parts
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
1K+
Free shipping
$236.99
Lisle 69300: Lisle Master Relay And Fuse Circuit Test Kits
Summit Racing
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
53% off
$5.83
$12.41
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$284.99
Electronic Specialties Diagnostic Relay Buddy 12/24 Pro Test Kit, ESI193
Advance Auto Parts
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$26.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
365
$259.99
Electronic Specialties Relay Buddy Pro Test Kit, ESI191
Advance Auto Parts
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress
Free shipping
38% off
$5.00
$8.09
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester
Aliexpress