VEHICLE RELAYS - Testing from the relay base

How to test a relay and the relay circuit

VEHICLE RELAYS - Operation & Diagnosis

LOADpro Operation and Voltmeter-only diagnostics

Troubleshooting automotive wiring the easy way, with a Load Pro! "New Tool Day Tuesday"

How to test a Relay

Easiest way to find a short to ground!

How To Test a Relay The Easy Way

Relay Basics

How To Test and Diagnose Relays and Wiring [4 & 5 Pin]

How To Test a Relay (and How Relays Work) - in 8 minutes

Explained! CAN BUS Diagnosis – How to Troubleshoot Faults.

How to Test a Relay the Correct Way

Toyota Master Tech Applies LoadPro | How to use the ESI180 with multimeter

2010 Mazda 3 No Communication With PCM, No Start, No Crank

Relays- Understanding, Diagnosis and Testing Relayed Circuits-Pt1

How to Diagnose a Failed Relay In Your Car, Truck or SUV

How to Test a 3, 4 or 5 Pin Relay - With or Without a Diagram

LOADpro® vs. Volt-pro vs. Powerprobe® vs. Corrosion

How To Test and Replace A Starter Relay

Basic Explanation Of Our Relay Board Kits