Electrical Archives - UnderhoodService
Power Window Regulator Replacement

Blindly replacing a window regulator and motor assembly may not solve a customer’s problem.

Alternators and Ripple Voltage

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

Beyond the Warranty

What does it take to keep a car going for 120,000, 180,000 or 250,000 miles? The key is maintenance and inspection. 

Caring For AGM And Flooded Car Batteries

Faulty battery cables, if loose, corroded, or damaged, can lead to power drainage.

Power Window Regulator and Motor Service

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

Battery Charging and Diagnostics

Here are six tips to use when diagnosing a vehicle with a dead battery. 

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.

Staying Current

The wide variety of relay configurations, applications and uses can make selection difficult.

Autel US Introduces Battery/Electrical System Diagnostics Tool

All of these tools use Adaptive Conductance, an advanced battery analysis method.

Chrysler’s Totally Integrated Power Module Simplifies Circuits

The symptoms of a failing TIPM can vary depending on the vehicle. Check out your options for this repair.

VIDEO: How Modules Manage Alternator Power

Andrew Markel discusses power flow through the electrical system on a vehicle, and how the modules help provide the right amount of power to different components. Sponsored by Valeo.

VIDEO: Diagnosing The A/C Compressor Clutch

Andrew Markel discusses the clutch on the A/C compressor, and the signs to look for in your diagnostic to confirm its operation. Sponsored by Valeo.