Voltage Drop Testing Explained
Voltage drop testing is a diagnostic strategy that uses a digital multimeter (DMM) or a similar tool to test actual circuit voltage and compare it with a desired circuit voltage.
Should You Change Both Headlight Bulbs if Just One Fails?
If your headlight bulbs were installed at the same time, the life expectancy will be fairly similar. If one goes out, the other probably isn’t far behind. That’s reason enough to replace both. Deal with it once instead of twice!
How an Engine’s Starter Works
You turn your ignition key and the engine fires up. It’s as simple as that, right? Actually, it’s quite a bit more complicated than it seems.
Battery Cable Reset
Many years ago, it was customary to remove the battery cable in order to refresh the ECM. It’s interesting that now, some 20 years later, this is an accepted practice for this kind of reset. On today’s vehicle, we shouldn’t overlook that drivability...
Battery Service and Testing
Today’s automobile batteries are the power source that collects and stores the electricity a vehicle needs to operate reliably. Automobile batteries consist of a plastic casing filled with sulfuric acid, electrolyte and lead plates that are capable of lasting...