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Engine Starter Circuit

A common calamity for which we often get requests for a service call is the engine failing to start or even “turn over”.


Early electrical pioneers discovered that passing a magnet in close proximity to coiled wire induced an electrical charge, and that a rotating magnet in front of coiled wire created alternating current. This electrical principle is the basis of an alternator. An alternator is a rotating machine designed to produce alternating current that can then be rectified to produce directional current that can be used, or stored for later use in a battery.

Engine Switches and Senders

Most boat operators are familiar with their gauge set and are aware that there is a device on the engine providing a signal to the gauge that allows it to provide useful information. However, many boaters are unfamiliar with the nature of those engine mounted devices.

Battery Banks and Loads

One recommendation many would give when talking about batteries on a boat with a single engine is that you should have two separate banks. One specifically dedicated for cranking (starting) your engine and one for...

Maintaining Your Deep Cycle Battery

Although batteries are not the most expensive part on our boats, they are essential to them in that they feed the cranking power to our engine as well as keep us illuminated at night when the generator is not running. Batteries that feed the 12 - 24 volt circuit are at the heart of a boat and with a little tender loving care they will provide us with years of good service.

How to Keep Water on the Outside

Before taking your boat out on the water, it is important to check, check and check again. Some of our earlier blog articles talk about the importance of checking batteries. In addition to that, bilge pumps are undoubtedly one of the most important systems on any vessel and must be checked upon regularly. Many factors play a part on whether your bilge pumps will keep your boat afloat.

Where Is Your Ignition Key Power From?

We come across this fairly regularly; the ignition key power is coming from the wrong place. We see it more often in boats where battery systems have been modified at some point, more so than with factory wired setups. If the ignition power is coming from the house battery and the house battery is dead, disconnected, or a main fuse is blown; the engine is not going to start even if the engine battery is full.

Keep Outlets Out

All it takes to ignite fumes is a little spark. No matter how big or small the spark is, if there are enough flammable fumes in the air, the tiniest spark will light up the sky. Therefore, having AC outlets in an engine compartment with gas engines is a BIG no no.

Charging More Than One Battery Bank: The PYS Recommendation

Today, many recreational and leisure boats have more than one battery bank and proper charging systems can get fairly complicated. There is no one solution for every boater. It not only depends on the style of boat, but also on how the boat owner uses his or her boat.

External alternator regulators: increasing power output

If you've ever wondered whether your batteries are charging efficiently when your engine is running, you've probably thought about your alternator. Alternators come in all shapes and sizes - so if you're thinking about upgrading there are a few things you should take into consideration.

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