Top 10 Best Relay Tester With Buying Guide

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You can trust our selection for Relay Tester Reviews. Because We have worked hard studying and analyzing 30734 reviews for Relay Tester and rating them. It was a difficult job to list only ten products for Relay Tester where thousands of them available online. I hope it will help you to take final decision for Best Relay Tester.

NoProductScoreAction
1Electronic Specialties 192 Black 2.5" x 5" 12/24V Diagnostic Relay Buddy9.8Buy On Amazon
2KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V9.8Buy On Amazon
3Lisle 60150 Relay Pro 12V and 24V Relay Tester9.6Buy On Amazon
4Lisle 56810 Relay Test Jumper Kit9.6Buy On Amazon
5Nilight 50043R Socket 10 Pack SPDT Bosch Style Electrical 12V 30/40 Amp 5-Pin Relays Switch for Automotive Truck Marine Boat9.4Buy On Amazon
6Electronic Specialties 190 Relay Buddy Automotive Relay Tester8.8Buy On Amazon
7IPA Tools 9038A Relay Bypass Switch with Amp Loop8.6Buy On Amazon
8Electronic Specialties 191 Relay Buddy Pro Test Kit8.4Buy On Amazon
9Electronic Specialties 193 Black 2.5" x 5" 12/24V Diagnostic Relay Buddy Pro Test Kit8.2Buy On Amazon
10Lisle 56820 Relay Test Jumper8.2Buy On Amazon

10 Best Relay Tester Reviews

30734 number of user reviews were available online, which we scanned to find the Relay Tester. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

1. Electronic Specialties 192 Black 2.5″ x 5″ 12/24V Diagnostic Relay Buddy

  • Tests both 12V and 24V relays
  • 3 diagnostic trouble codes help define the cause of the bad relay
  • Quick off-the-car relay tester
  • Checks relay coil & switch contacts
  • Fails bad relays – Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.

2. KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V

  • SAFETY FIRST: It will send out multiple alarms through sound and light.
  • NON-CONTACT: With NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord.
  • DUAL RANGE: Detects standard and low voltage (12-1000V AC / 48-1000V AC) for more sensitive and flexible measurements.
  • SECURITY LEVEL: IEC rated CAT III 1000V CAT IV 600V, Meets CE requirements; The electrical tester is safely double insulated.
  • COMPACT DESIGN: Bright LED flashlight for work in dim ares; Low-Power-Indicator when battery voltage is below 2.

3. Lisle 60150 Relay Pro 12V and 24V Relay Tester

  • A straightforward relay tester that will easily and quickly test most 12 and 24 volt DC automotive relays.
  • Tests relays by simply clicking the test leads onto the relay terminal pins using a 12 or 24V DC power source.
  • Automatically determines how the relay coil and contacts are configured
  • This eliminates the need for specific tester footprints or adapters

4. Lisle 56810 Relay Test Jumper Kit

  • 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
  • Jumpers have tabs for clamping and flat pads to place test leads on
  • Set comes in blow-molded case for storage
  • No need to pierce wires or connect multiple jumper wires

5. Nilight 50043R Socket 10 Pack SPDT Bosch Style Electrical 12V 30/40 Amp 5-Pin Relays Switch for Automotive Truck Marine Boat

  • 5 Pin SPDT Bosch Style Electrical Relay
  • 40A/30A High Switching Capability.
  • Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87)
  • These Relays are Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source.
  • Package includes: 10 pack electrical relays
  • Fit Type: Universal Fit

6. Electronic Specialties 190 Relay Buddy Automotive Relay Tester

  • Quick off-the-car relay tester – checks relay coil and switch contacts
  • Automatic test with good/bad indication – fails bad relays
  • Settable to 4 and 5 pin relay – tests the 3 most popular automotive relays
  • Switch contact are loaded to detect excessive resistance
  • Uses vehicle’s 12 Volt battery for power

7. IPA Tools 9038A Relay Bypass Switch with Amp Loop

  • Controls relay circuit independent of “key on” systems
  • Run all automotive, 12V DC motors with a push of a switch
  • Simplifies fuel injection testing
  • Use in conjunction with clamp-on Amp Probes and Lab Scopes
  • Operating range: Up to 20 amp continuous, 30 amp surge (12V); covers most makes and models

8. Electronic Specialties 191 Relay Buddy Pro Test Kit

  • Kit includes Relay Buddy tester, 5 new relay adapters and blow mold case
  • Relay Buddy is a quick go/no go tester for the most common automotive relays
  • With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays.
  • Relay Buddy will fail the relay and light the red LED if any of the test cycle proves unsuccessful during the test session; green light if relay is good.
  • Settable to 4 and 5-pin relay and uses vehicle’s 12 volts battery for power

9. Electronic Specialties 193 Black 2.5″ x 5″ 12/24V Diagnostic Relay Buddy Pro Test Kit

  • Tests 5 different relays, both 12V and 24V and 3 diagnostic trouble codes help define the cause of the bad relay.
  • Kit Includes 5 Relay Adapters and blow mold case
  • Quick off-the-car relay tester
  • Checks relay coil & switch contacts
  • Fails bad relays – Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.
  • Tests 5 different relays, both 12V and 24V
  • 3 diagnostic trouble codes help define the cause of the bad relay
  • 193 Kit Includes 5 Relay Adapters and blow mold case
  • Quick off-the-car relay tester – checks relay coil & switch contacts
  • Fails bad relays – Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.

10. Lisle 56820 Relay Test Jumper

  • Set of four relay test jumpers make testing relays or live circuits quick and easy
  • Simply remove relay to be tested, insert correct jumper and insert relay into jumper
  • No need to pierce wires or connect multiple jumper wires
  • For more information check the main Lisle tool- 56810
  • Replacement part for Lisle tool- 56810

How To Choose The Best Relay Tester

Does the thought of finding a great Relay Tester stress you out? Has your mind been juggling between choices when it comes to buying Relay Tester in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Relay Tester for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Relay Tester. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Relay Tester in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Relay Tester currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Relay Tester brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Relay Tester based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Relay Tester before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Relay Tester they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Relay Tester, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Relay Tester before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Relay Tester will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Relay Tester if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Relay Tester on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Relay Tester on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Relay Tester featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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