How Do I Test When an Alternator Is Bad?

Answer Alternators can be tricky parts to diagnose when they fail, as it is commonly another part that will show symptoms. A quick test with an ammeter can tell definitively whether your alternator has fa... Read More »

Top Q&A For: How Do I Test When an Alternator Is Bad

How to Test a Cs-144 Alternator?

Delco Remy produce the CS144 alternator and is one of their high-output heavy duty range. You may have one of three versions of the CS144 alternator fitted in your vehicle: 140 ampere, 170 amperes ... Read More »

How to Test the Nodes in an Alternator?

A car's alternator is the main power source for electrically powered mechanisms and devices. While the battery provides the initial power to start the engine, the alternator provides constant power... Read More »

How to Test a 50DN Alternator?

The 50DN alternator, originally only manufactured by Delco, is the preferred alternator fitted to coaches -- or passenger buses, as they're more commonly called -- and other heavy-duty vehicles. Ho... Read More »

How to Test a Chevy Alternator?

Testing the alternator in your Chevy vehicle requires the use of a couple of basic diagnostic tools and basic diagnostic skills. Learning how the electrical system in your Chevy works and how to ac... Read More »