The procedure begins with the disconnection of the negative terminal of the battery (black cable). Disconnect the negative terminal first, and then the positive cable. So, go over the instructions and make sure you understand the terminologies for better comprehension. Often than not, battery isolator switches come with detailed information about the parts as well as the core steps that you need to follow through. Read the instructions thoroughly.Ī key aspect of every installation process is to read the manual. Well, in reality, it’s quite challenging, especially if you don’t know the basics. But fret not because we will list down all steps that you ought to know beforehand. Wiring the battery isolator switch all by yourself may appear like a stressful task. How to install a battery isolator switch? If you, unfortunately, forget to switch it off, then expect the battery to drain from the starter. It’s because you are required to switch them off once you stop the vehicle. These devices are largely used in cars, camper vans, and even race cars.Īlthough battery isolator manual switches are quite popular, you need to be careful at all times. These are cheap options that can easily be matched with other systems, encompassing a hard disconnect for additional safety features. Manual switches are the simplest way to charge batteries at a very limited cost. Image Credit: _mxj What is a battery isolator switch? In this section, we will focus more on the first option, which is the manual switch. It may be an added expense but it’s surely worth it in terms of safety features and excellent servicing.įurthermore, there are four primary methods to create a wire connection to the auxiliary batteries, and these are―Manual Switch, Diode Based Isolator, Basic Relay, and Voltage Sensitive Relay (VSR). With these remarkable functions, a battery isolator is highly recommended by professional electricians. Following this kind of arrangement, each battery is an independent power source. And until all batteries reach the same level of charge, the engine does not turn on. So, regardless of the number of batteries, the isolator manages the current flow in the electrical system. Instead, it adds power to the vehicle or the equipment because of the separation of the battery system from the auxiliary battery. Therefore, if there is a weak or dead battery, it does not impact the other batteries even if these are connected together. In doing so, it does not allow other heavy loads in the charging systems to avoid draining the battery. One of the isolator’s tasks is to permit the alternator in charging the main battery. Accordingly, it ensures that any electrical work that needs to be connected to the main electrical supply is done safely and securely.Īside from this, the device helps in eliminating issues related to battery drain. Generally, the isolator serves as a circuit breaker to disconnect the battery from the equipment easier. It makes use of a key that you can easily remove according to your preferred position.Īll these characteristics are combined to create a variety of functions. It is generally corrosion-resistant with a chrome finish for long-lasting performance.
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