Shop How to Check a Relay in a 12 Volt System

Sponsored
About our ads
$52.94
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
42
Free shipping
$52.94
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
42
$6.56
$9.52
Automotive Battery Checker, LED Indicator Automotive Electronic Relay Tester, Automotive Relay Tester, Universal, For 12V 4-Pin And 5-Pin With
Temu US
2
31% off
$6.56
$9.52
Automotive Battery Checker, LED Indicator Automotive Electronic Relay Tester, Automotive Relay Tester, Universal, For 12V 4-Pin And 5-Pin With
Temu US
2
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool,
Amazon.com
26
Free shipping
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool,
Amazon.com
26
$25.99
RVMARINEPAT Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible With
Amazon.com
109
$25.99
RVMARINEPAT Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible With
Amazon.com
109
$14.60
Universal Relay Tester Car Automotive 12V 24V Relays 4 Pin 5 Pin Diy Auto Relay Battery Circuit Checker Tool
Alibaba B2B
Free shipping
$14.60
Universal Relay Tester Car Automotive 12V 24V Relays 4 Pin 5 Pin Diy Auto Relay Battery Circuit Checker Tool
Alibaba B2B
Free shipping
$24.45
$26.80
Universal Automotive Electronic Relay Tester, 12V LED Indicator Light Battery Checker, No Assembly Required, Auto Tools,Car Relay Tester,Tools
Temu US
$24.45
$26.80
Universal Automotive Electronic Relay Tester, 12V LED Indicator Light Battery Checker, No Assembly Required, Auto Tools,Car Relay Tester,Tools
Temu US
$8.39
$15.20
LED Indicator Light Car Battery Checker, Automotive Electronic Relay Tester, Car Relay Tester, Universal, 12V, Tools,Automotive Tools Mechanic,
Temu US
44% off
$8.39
$15.20
LED Indicator Light Car Battery Checker, Automotive Electronic Relay Tester, Car Relay Tester, Universal, 12V, Tools,Automotive Tools Mechanic,
Temu US
$13.99
$22.82
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
38% off
$13.99
$22.82
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$7.07
$8.04
Automotive Relay Tester Tool, LED Indicator Light Automotive Battery Detector, Relay Tester Automotive 3 4 5 Pin,Automotive Tools Automotive,
Temu US
12% off
$7.07
$8.04
Automotive Relay Tester Tool, LED Indicator Light Automotive Battery Detector, Relay Tester Automotive 3 4 5 Pin,Automotive Tools Automotive,
Temu US
$15.73
Car Battery Relay Tester With 4-Pin & 5-Pin Clips, 12V LED, No Battery Required, Insulated, Relay Tester Automotive 3 4 5 Pin,Car Relay Tester
Temu US
$15.73
Car Battery Relay Tester With 4-Pin & 5-Pin Clips, 12V LED, No Battery Required, Insulated, Relay Tester Automotive 3 4 5 Pin,Car Relay Tester
Temu US
$6.47
$6.48
12V Relay Tester For Automotive Diagnostic, Car Relay Testing Tool With Clamps, Compatible With 4 & 5 Pin Relays - No Battery Required
Temu US
25
$6.47
$6.48
12V Relay Tester For Automotive Diagnostic, Car Relay Testing Tool With Clamps, Compatible With 4 & 5 Pin Relays - No Battery Required
Temu US
25
$16.99
$69.00
RT-900 12V Car Battery Relay Tester Car Battery Checker Automotive Electronic Relay Tester Broad Voltage 5-16V Range Ope
Banggood
75% off
$16.99
$69.00
RT-900 12V Car Battery Relay Tester Car Battery Checker Automotive Electronic Relay Tester Broad Voltage 5-16V Range Ope
Banggood
$19.08
AERMOTOR 12V/24V Automotive Relay Tester Tool, Durable Car, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay
Temu US
2
$19.08
AERMOTOR 12V/24V Automotive Relay Tester Tool, Durable Car, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay
Temu US
2
$6.13
$12.56
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester LED, Test Light,Battery Tester Automotive
Temu US
51% off
$6.13
$12.56
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester LED, Test Light,Battery Tester Automotive
Temu US
$17.99
$64.14
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
71% off
$17.99
$64.14
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$6.32
$12.05
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
47% off
$6.32
$12.05
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
$7.37
$12.05
Universal 12V Electronic Car Relay Tester With SPST/DPST/3-Pin Testing, 36V Auto, Battery And Alternator Tester,Relay Tester Automotive,Tools,
Temu US
38% off
$7.37
$12.05
Universal 12V Electronic Car Relay Tester With SPST/DPST/3-Pin Testing, 36V Auto, Battery And Alternator Tester,Relay Tester Automotive,Tools,
Temu US
$6.32
$15.75
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
59% off
$6.32
$15.75
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
$9.78
$15.00
Universal 12V Car Relay Tester LED Indicator Light Automotive Electronic Relay Tester Car Battery, Relay Tester Automotive,Car Battery Tester
Temu US
34% off
$9.78
$15.00
Universal 12V Car Relay Tester LED Indicator Light Automotive Electronic Relay Tester Car Battery, Relay Tester Automotive,Car Battery Tester
Temu US
$7.63
$8.42
Car 12V -- 24V Four-Pin Five-Pin Relay Tester Automotive Relay Tester Relay Detection Diagnostic, Relay Tester Automotive 3 4 5 Pin,Fuse Tester
Temu US
$7.63
$8.42
Car 12V -- 24V Four-Pin Five-Pin Relay Tester Automotive Relay Tester Relay Detection Diagnostic, Relay Tester Automotive 3 4 5 Pin,Fuse Tester
Temu US
$19.99
$51.81
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
61% off
$19.99
$51.81
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
LightInTheBox
$9.24
$12.79
12V Car Relay Tester, Handheld Automotive Testing Tool With Battery, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay
Temu US
27% off
$9.24
$12.79
12V Car Relay Tester, Handheld Automotive Testing Tool With Battery, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay
Temu US
$9.25
$32.65
12V Automatic Relay Tester - Suitable For 4-Pin And 5-Pin Relays - Easy, Relay Tester Automotive 3 4 5 Pin Car Relay,Automotive Relay Tester,
Temu US
71% off
$9.25
$32.65
12V Automatic Relay Tester - Suitable For 4-Pin And 5-Pin Relays - Easy, Relay Tester Automotive 3 4 5 Pin Car Relay,Automotive Relay Tester,
Temu US
$16.15
12V Automotive Relay Tester With Bright LED Display & 10-Cycle Testing - 4-Pin/5-Pin Relay Support, Quick Fault Diagnosis Tool With Auto Relay
Temu US
$16.15
12V Automotive Relay Tester With Bright LED Display & 10-Cycle Testing - 4-Pin/5-Pin Relay Support, Quick Fault Diagnosis Tool With Auto Relay
Temu US
$9.95
$14.76
Car Relay Tester 12V Electronic Automotive Relay Tester Universal For Auto Battery Checker Alternator Analyzer Diagnostic Tool
Temu US
2
32% off
$9.95
$14.76
Car Relay Tester 12V Electronic Automotive Relay Tester Universal For Auto Battery Checker Alternator Analyzer Diagnostic Tool
Temu US
2
$13.33
$15.54
Automotive Relay Tester _ General 12V Automotive Relay Tester LED Indicator Light Automotive Electronic Relay Tester Automotive Battery Detector
Temu US
1
14% off
$13.33
$15.54
Automotive Relay Tester _ General 12V Automotive Relay Tester LED Indicator Light Automotive Electronic Relay Tester Automotive Battery Detector
Temu US
1
$7.14
$8.96
Professional Car Relay Tester, LED Indicator, 12V Universal Automotive Electronic Tool, Seamless, Robust, Durable, For Battery Check, Easy
Temu US
99
20% off
$7.14
$8.96
Professional Car Relay Tester, LED Indicator, 12V Universal Automotive Electronic Tool, Seamless, Robust, Durable, For Battery Check, Easy
Temu US
99
$10.76
$13.68
Professional 12V Automotive Relay Tester & Diagnostic Tool - Durable ABS Case, Quick Fault Detection & Analysis, Without, Relay Tester Automotive,
Temu US
21% off
$10.76
$13.68
Professional 12V Automotive Relay Tester & Diagnostic Tool - Durable ABS Case, Quick Fault Detection & Analysis, Without, Relay Tester Automotive,
Temu US
$186.90
Super Relay Buddy 12 Volt Automotive Relay Tester With Adapter And Results
eBay.com
Free shipping
$186.90
Super Relay Buddy 12 Volt Automotive Relay Tester With Adapter And Results
eBay.com
Free shipping
$135.90
Super Relay Buddy Tester For 12 Volt Automotive Relays With Load Indicator
eBay.com
1
Free shipping
$135.90
Super Relay Buddy Tester For 12 Volt Automotive Relays With Load Indicator
eBay.com
1
$7.32
$34.08
12V Automatic Relay Tester - Suitable For 4-Pin And 5-Pin Relays - Easily Diagnose Using Battery, Car Relay Tester,Relay Tester Automotive 3 4 5
Temu US
78% off
$7.32
$34.08
12V Automatic Relay Tester - Suitable For 4-Pin And 5-Pin Relays - Easily Diagnose Using Battery, Car Relay Tester,Relay Tester Automotive 3 4 5
Temu US
$8.98
$17.51
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
48% off
$8.98
$17.51
Universal 12V Car Relay Tester Electronic Automotive Relay Tester For Auto Battery Checker
Aliexpress
$152.83
Electronic Specialties Diagnostic Relay Buddy Pro Relay Test Kit 12/24V (ES-193)
JBTools
337
$152.83
Electronic Specialties Diagnostic Relay Buddy Pro Relay Test Kit 12/24V (ES-193)
JBTools
337
$7.48
$32.96
Portable 12V Automotive Relay Tester With Battery Clips - Easy Diagnose & Test Relays, Fast & Accurate Results, Compact, Relay Tester Automotive,
Temu US
77% off
$7.48
$32.96
Portable 12V Automotive Relay Tester With Battery Clips - Easy Diagnose & Test Relays, Fast & Accurate Results, Compact, Relay Tester Automotive,
Temu US
$3.91
$7.45
1Pcs Universal Automotive Relay Tester 12/24V Battery Indicator Relay Diagnostic Checker Automotive
Aliexpress
47% off
$3.91
$7.45
1Pcs Universal Automotive Relay Tester 12/24V Battery Indicator Relay Diagnostic Checker Automotive
Aliexpress
$15.75
$36.20
Automotive Relay Tester Diagnostic Tool 12V24V Universal 4-Pin 5-Pin, Automotive Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay Tester Tool
Temu US
10
56% off
$15.75
$36.20
Automotive Relay Tester Diagnostic Tool 12V24V Universal 4-Pin 5-Pin, Automotive Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay Tester Tool
Temu US
10
Sponsored
Ask a Mechanic on Live Chat
www.justanswer.com
▼
Chat Now
Stimulus checks: Here's how to track your stimulus money
0:46
Stimulus checks: Here's how to track your stimulus money
42.7K viewsMar 16, 2021
YouTubeYahoo Finance
Check Movie Shorts💥 #RakulPreetSingh #ShortsFeed #ViralShorts #Status #AdityaMovies #Viral #New
0:56
Check Movie Shorts💥 #RakulPreetSingh #ShortsFeed #V…
538.5K views4 weeks ago
YouTubeAditya Movies
3 Ways To Check BIOS Version
1:00
3 Ways To Check BIOS Version
103.3K viewsMar 23, 2023
YouTubeBritec09
How To Use Mobile Check Deposit
1:34
How To Use Mobile Check Deposit
23.5K viewsJun 6, 2023
YouTubeUniversity Credit Union
HOW TO Great Clips Online Check-in
2:13
HOW TO Great Clips Online Check-in
7.4K viewsJun 1, 2019
YouTubeSavannah Rose
Vodacom Self Service | How To Check Balances on the My Vodacom App
0:33
Vodacom Self Service | How To Check Balances on the My Vodac…
11.6K viewsJan 22, 2020
YouTubeVodacom SA
BISP New Update 2025: How to Check 13500 Payments
1:05
BISP New Update 2025: How to Check 13500 Payments
38K views4 weeks ago
TikToktechwithadnan
1:24
Tech With Adnan on TikTok
61.1K views4 weeks ago
TikToktechwithadnan
0:41
Hộp Tiết Kiệm: Cách Tiết Kiệm 10 Triệu Dễ Dàng
2.4M views4 weeks ago
TikToknhancheck
0:44
ମଞ୍ଚରୁ ପିଠା ମାଗିଲେ ମୁଖ୍ୟମନ୍ତ୍ରୀ |CM Mohan Maj…
921.7K views2 weeks ago
YouTubeNews18 Odia
1:31
మీ పేరు మీద Fake Loans ఉన్నాయో లేదో ఇలా చెక్ …
445.8K views1 month ago
YouTubeBoss Wallah (Telugu)
0:21
Relatable Moments After Divorce: Son's Support
12.1M views3 weeks ago
TikToktacticalteddibear
0:48
You Choose What's Next 👀
7.8M views2 weeks ago
YouTubeRed Bull
3:02
Mariam’s ASMR on TikTok
87.5K views2 weeks ago
TikTokmariam.asmr1
1:59
From Dubai to Bhit Island — Dr. Imtiaz Hashmi , orthopaedic (Tam…
103.3K views2 weeks ago
TikTokhussainaslambhatti
1:29
#Relax #Firstnigerianasmrtist #Relaxation #Sleeptriggers #asmr…
1.7M views4 weeks ago
TikTokmariam.asmr1
1:23
Debate Insights: Charlie Kirk and Beyond
5.1M views4 weeks ago
TikTokblondepraxis
1:00
Fatherhood Journey on TikTok
18.1M views1 month ago
TikToksergey.be.be
1:24
Trusting Your Instincts as a New Parent
1.8M views3 weeks ago
TikTokiamalexmoore
1:17
A fresh and juicy school day in my life 💕📚 Always in my school bag: Jui…
2.2M views1 month ago
TikTokkiannaa.d
See more videos
Static thumbnail place holder

Shop How to Check a Relay in a 12 Volt System

Sponsored
About our ads
$52.94
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
42
Free shipping
$52.94
Performance Tool 3009 Compact Cordless Automotive Relay Tester For 12 Volt 4 And 5 Pin Relays And More
Amazon.com
42
$6.56
$9.52
Automotive Battery Checker, LED Indicator Automotive Electronic Relay Tester, Automotive Relay Tester, Universal, For 12V 4-Pin And 5-Pin With
Temu US
2
31% off
$6.56
$9.52
Automotive Battery Checker, LED Indicator Automotive Electronic Relay Tester, Automotive Relay Tester, Universal, For 12V 4-Pin And 5-Pin With
Temu US
2
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool,
Amazon.com
26
Free shipping
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool,
Amazon.com
26
$25.99
RVMARINEPAT Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible With
Amazon.com
109
$25.99
RVMARINEPAT Relay Bypass Switch & Diagnostic Tester - 9038 Tester Kit, Scan Tool, Fuel Pump Relay Bypass Master, Replaces 9036/9037, Compatible With
Amazon.com
109
$14.60
Universal Relay Tester Car Automotive 12V 24V Relays 4 Pin 5 Pin Diy Auto Relay Battery Circuit Checker Tool
Alibaba B2B
Free shipping
$14.60
Universal Relay Tester Car Automotive 12V 24V Relays 4 Pin 5 Pin Diy Auto Relay Battery Circuit Checker Tool
Alibaba B2B
Free shipping
$24.45
$26.80
Universal Automotive Electronic Relay Tester, 12V LED Indicator Light Battery Checker, No Assembly Required, Auto Tools,Car Relay Tester,Tools
Temu US
$24.45
$26.80
Universal Automotive Electronic Relay Tester, 12V LED Indicator Light Battery Checker, No Assembly Required, Auto Tools,Car Relay Tester,Tools
Temu US
$8.39
$15.20
LED Indicator Light Car Battery Checker, Automotive Electronic Relay Tester, Car Relay Tester, Universal, 12V, Tools,Automotive Tools Mechanic,
Temu US
44% off
$8.39
$15.20
LED Indicator Light Car Battery Checker, Automotive Electronic Relay Tester, Car Relay Tester, Universal, 12V, Tools,Automotive Tools Mechanic,
Temu US
$13.99
$22.82
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
38% off
$13.99
$22.82
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
LightInTheBox
$7.07
$8.04
Automotive Relay Tester Tool, LED Indicator Light Automotive Battery Detector, Relay Tester Automotive 3 4 5 Pin,Automotive Tools Automotive,
Temu US
12% off
$7.07
$8.04
Automotive Relay Tester Tool, LED Indicator Light Automotive Battery Detector, Relay Tester Automotive 3 4 5 Pin,Automotive Tools Automotive,
Temu US
$15.73
Car Battery Relay Tester With 4-Pin & 5-Pin Clips, 12V LED, No Battery Required, Insulated, Relay Tester Automotive 3 4 5 Pin,Car Relay Tester
Temu US
$15.73
Car Battery Relay Tester With 4-Pin & 5-Pin Clips, 12V LED, No Battery Required, Insulated, Relay Tester Automotive 3 4 5 Pin,Car Relay Tester
Temu US
$6.47
$6.48
12V Relay Tester For Automotive Diagnostic, Car Relay Testing Tool With Clamps, Compatible With 4 & 5 Pin Relays - No Battery Required
Temu US
25
$6.47
$6.48
12V Relay Tester For Automotive Diagnostic, Car Relay Testing Tool With Clamps, Compatible With 4 & 5 Pin Relays - No Battery Required
Temu US
25
$16.99
$69.00
RT-900 12V Car Battery Relay Tester Car Battery Checker Automotive Electronic Relay Tester Broad Voltage 5-16V Range Ope
Banggood
75% off
$16.99
$69.00
RT-900 12V Car Battery Relay Tester Car Battery Checker Automotive Electronic Relay Tester Broad Voltage 5-16V Range Ope
Banggood
$19.08
AERMOTOR 12V/24V Automotive Relay Tester Tool, Durable Car, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay
Temu US
2
$19.08
AERMOTOR 12V/24V Automotive Relay Tester Tool, Durable Car, Relay Tester Automotive 3 4 5 Pin,Relay Tester Automotive 3 4 5 Pin Car Relay,Car Relay
Temu US
2
$6.13
$12.56
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester LED, Test Light,Battery Tester Automotive
Temu US
51% off
$6.13
$12.56
Car Relay Tester Voltage Tester Universal 12V Car Battery Checker Automotive Electronic Relay Tester LED, Test Light,Battery Tester Automotive
Temu US
$17.99
$64.14
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
71% off
$17.99
$64.14
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$6.32
$12.05
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
47% off
$6.32
$12.05
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
$7.37
$12.05
Universal 12V Electronic Car Relay Tester With SPST/DPST/3-Pin Testing, 36V Auto, Battery And Alternator Tester,Relay Tester Automotive,Tools,
Temu US
38% off
$7.37
$12.05
Universal 12V Electronic Car Relay Tester With SPST/DPST/3-Pin Testing, 36V Auto, Battery And Alternator Tester,Relay Tester Automotive,Tools,
Temu US
$6.32
$15.75
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US
59% off
$6.32
$15.75
Portable 12V Automotive Relay Tester - Easily Diagnose And Test Relays With Battery Clips, Fast And Accurate Results, Car Relay Tester,Test Light
Temu US