Electrical Archives - Tomorrows Technician
How Battery Service Continues To Change

Your attention to a battery’s condition will tell you if it needs to be replaced – and with what.

Why Alternators Are Subject To Ripple Voltage

The alternator produces an AC current that must be converted into DC current by way of a rectifier.

Power Window Regulator and Motor Service

Power windows are great as long as they roll up and down when commanded to do so.

SCCA Forms EV Advisory Committee

The EVAC welcomes feedback and encourages those interested in sharing their thoughts to send a letter to the Club Racing Board under the Electric Vehicle Category at crbscca.com.

Autel US Introduces Battery/Electrical System Diagnostics Tool

This new tool line consists of four new tools designed to aide technicians of every level.

The Essential Electrical Tools For Today’s Cars

If you want to be successful in electrical diagnosis, the tools and equipment you invest in are the determining factor.

Electrical System Reliability Impacts Performance

Proper maintenance leads to long battery life and less downtime.

Voltage Drop Testing Is The One Meter Test That Doesn’t Lie

The measurement of voltage is like the speed of highway traffic – when loads are light, the voltage does not drop.

Coil On Plug Ignition: The Wired Differences

For late-model vehicles, the norm is one ignition coil per cylinder, commonly known as coil on plug. The task of providing voltage potential to each spark plug is performed so reliably that it’s easy to take for granted.

VIDEO: 4 Types Of Circuit Failure

In a new episode of Tech Test Prep, Carley Millhone shares what you need to know about circuit failure to pass the ASE A6 exam.

Piercing And Probing Wires With The Least Damage Possible

The Hippocratic Oath states a doctor shall “do no harm.” The technician’s oath is the same, but we “do no harm” to a vehicle we are trying to diagnose or repair. 

VIDEO: Electrical Shorts Caused By Cleaning Vehicle Interior?

Andrew Markel explains how the interior maintenance of a vehicle can affect operation of electrical components, including not using too much of a cleaning product and replacing a component after a spill.