Top 10 Best fundamental electrical troubleshooting dan sullivan in 2026

Last Updated - 6/23/2026

🏆Best Choice

LOADpro Electronic Specialties 182 Fundamental Electrical Troubleshooting Book

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Complete 200-page guide to every aspect of electrical troubleshooting explained in a way that makes it useful in the shop
•Written by a mechanic for real-world, hands-on testing including voltage drop explanations and corrosion causes
•Batteries and testing fully explained including information on relays, potentiometers, resistors, solenoids, and more
•Voltmeters fully explained including workarounds such as finding shorts, battery draws, and how-to-read schematics
•Applications of knowledge to automotive, heavy-duty, equipment, machinery, and marine electrical system

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$78.12

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LOADpro

Electronic Specialties 181 LOADpro Dynamic Test Lead and Fundamental Electrical Troubleshooting Book,2,Red,Black

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Finds the problems like high corrosive resistance, shorts to ground, open circuits quickly
•By loading the circuit, LOADpro makes a voltage drop test "on the fly", just press the switch and the test results can not lie
•Kit includes 200 pages of hand written, hand drawn electrical troubleshooting tips and procedures
•LOADpro test leads work with almost any digital multimeter
•Also features steadypin probe tips, instead of a pointed probe

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$101.75

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Electronic Specialties 184 Fundamental Electrical Troubleshooting Guide

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Written by a mechanic for real world, hands-on testing
•Voltage drop explained - Corrosion causes - Batteries/Testing explained - relays, potentiometers, resistors, solenoids
•Voltmeters explained - finding shorts to ground -Battery draws explained
•How to Read Schematics - Applies to Automotive, Heavy-Duty, Equipment, Machinery, Marine
•Every page of this very popular guide has been translated into Spanish

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$66.32

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