Never Do This With a Test Lamp!
Free CAN Bus Cheat Sheet Download: https://navvb9.subscribepage.io/ Test lamps have been around forever, but are they helping your diagnostics or misleading you? In this video, we put several popular test lights to the test and demonstrate a common situation that can easily catch technicians out. Just because a test lamp lights up doesn't always mean the circuit is healthy. We'll look at how resistance affects your results, why disconnecting components can change what you're testing, and why understanding voltage drop testing is essential for accurate electrical diagnosis. This video is part of our ongoing Electrical Diagnostics training, where we focus on understanding circuits, measurements, and testing techniques that help you find faults faster and avoid unnecessary parts replacement. Want to improve your electrical diagnostics skills? Check out Diagnostic Coach Training Program: https://www.mechanicmindset.com/share/65 Join the Free Training area: https://www.mechanicmindset.com/cours... Follow us on Facebook: / mechanicmindset The Mechanic Mindset channel is here to help you improve your automotive diagnostic skills. We upload regular, easy to understand, automotive training and tutorial videos covering topics such as; oscilloscope diagnostics, PicoScope, CAN bus, waveform analysis and much more! Subscribe to stay up to date!

In Depth How to Find A Short with Test Lights

How to Pick the BEST Power Station for YOU in 2026 *UNSPONSORED*

This is the BEST Diagnostic Tool (and how to use it)

Is Your Test Lamp Lying to You?

5 Diagnostic Tools All Mechanics Need!

Faulty O2 Oxygen Sensor Symptoms – How to Test And Fix!

FLEX Boot Glitch: Unlocking an MD1CS003 ECU

Finally understand Automatic Transmissions with this video!

Battery Dies Overnight? Find a Parasitic Draw (Stop Pulling Fuses!)

Destroyed by Aftermarket Scantool ?! (Car Ran Perfect Before this)

1500 BAR Fuel Pressure But The Engine Isn’t Running?!

This is Game Changer For Parasitic Drains

Unveiling the Coolest Tests with the Picoscope WPS500 Transducer!

Explained! CAN BUS Diagnosis – How to Troubleshoot Faults.

You Were Taught To Test MOSFET The WRONG WAY!! Why The Youtubers were all wrong

This Confuses SO MANY Technicians!

Ian Proud: Anti-russische Sanktionen wirken nicht – Wie der Ukraine-Krieg endet

5 Secret Tips to FIX ANY CAR

Stellantis Collapse: The €22 Billion Disaster Pulling Down Fiat, Alfa, Maserati and Vauxhall

