alternator Archives - UnderhoodService
How Speed, Load and Slip Affect Voltages

Modern, computer-controlled charging systems found on today’s vehicles need proper test procedures – no guesswork allowed.

Alternator Testing For No Charge Conditions

Many alternator problems turn out to be nothing more than a bad connection at the alternator or a bad wiring harness.

Handling A Car That Won’t Start (Video)

Automatic start-stop systems are putting more stress on the starter and battery. Sponsored by The Group Training Academy.

Diagnosing A Faulty Alternator (Video)

There are a whole host of issues that could happen to an alternator. This video is sponsored by The Group Training Academy.

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.

Belt Alignment Measurement

The first point of inspection is the belt. Listen for the most common noise: a chirping noise.

DENSO Launches PowerEdge Heavy-Duty J180 Mount Alternator

DENSO’s PowerEdge brand has grown to 18 part numbers of replacement starters and alternators.

WAI Releases Complete Line Of Starters

WAI Global features its complete line of starters ideal for automotive.

Leece-Neville Offers School Bus Starters, Alternators

IdlePro and IdlePro Extreme alternators, and PowerPro Extreme 5 starters, are designed specifically for school buses.

VIDEO: What Wears Inside A Decoupler Pulley?

We show you what’s inside both OAP and OAD decoupler pulleys. This video is sponsored by Litens.

VIDEO: The Difference Between An OAD, OAP Alternator Pulley

We take a look at what is actually inside of each pulley. This video is sponsored by Litens.

Prestolite Electric Announces New Alternator Line

The Arcade, New York, plant will produce a new line of Leece-Neville IdlePro Extreme 24V 600- and 680-amp alternators.