Can this be used to test 24 volt AC 4 pin plug in relays on boilers.

It doesn't work on 24v relays. If the battery is charged it will be slightly over 24v and if it's slightly over 24v then the tester won't work. It's basically false advertising because it doesn't work in the real world application of 24v relays.

Do both Green lights need to be on for me to start the test??

NO! When you first hook it up to a battery the RED fail light will be on! You DO NOT need to have both Green lights on to start a test!

Will the Lisle 61050 test the relays in a 1998 Toyota Tacoma?

It should. It test all 4 or 5 pin relays. I've already used it to find a bad relay in a constant control relay on my 04 Mustang, worked flawlessly.

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60150 Relay Pro 12V and 24V Relay Tester, One Size

Product ID: 351738637

Details

Connector type
Quick Connect
Contact material
Silver Copper
Contact type
Normally
Mounting type
Socket Mount
Brand
Lisle

⚡Tests 12V & 24V relays

🔌No adapters needed

🛠️Hand-powered, battery-free

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EC$389

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Test smarter, not harder—relay diagnostics made effortless!

ECO FRIENDLY POWER - Operates directly from your vehicle’s battery—no batteries needed, no downtime.
DUAL VOLTAGE MASTERY - Effortlessly tests both 12V and 24V automotive relays for ultimate versatility.
PLUG PLAY SIMPLICITY - Instantly clicks onto relay terminals—no complicated adapters or footprints required.
COMPACT DURABLE DESIGN - Lightweight yet rugged, built to keep up with your fast-paced diagnostic workflow.
SMART CONFIGURATION DETECTION - Automatically identifies relay coil and contact setup, saving you time and guesswork.

The Lisle 60150 Relay Pro is a compact, hand-powered tester designed to quickly and accurately test most 12V and 24V automotive relays. It features automatic coil and contact configuration detection, eliminating the need for adapters or specific tester footprints. Powered directly from your vehicle’s battery, it requires no batteries, making it a reliable and eco-friendly tool for professional mechanics and automotive enthusiasts alike.

Specifications

Manufacturer	Lisle
Part number	60150
Item Weight	907 g
Product Dimensions	13.97 x 8.38 x 5.84 cm; 907.18 g
Item model number	60150
Size	One Size
Color	Factory
Style	Simple
Power source type	Hand Powered
Item Package Quantity	1
Measurement System	English/Standard
Plug Profile	Socket Mount
Specification met	Iec/En 60947, Ul, Csa
Special Features	No batteries needed. Uses car or truck battery
Included components	Relay Tester
Batteries Included?	No
Batteries Required?	No

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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