Jul First off, battery isolators are relatively cheap to install. Read on to see why you need an isolator and how to install one. Dec Step – Wire the Isolator. Once you have hooked up the isolator you can do the actual wiring.
Keep in mind during this step that you have to. Attach one end of any new wire to the battery isolator, run the wire as it will be when you are.
Learn more about battery isolators and why you need one if your car audio system has or more batteries. Sep Uploaded by Mighty Car Mods HOW TO INSTALL BATTERY ISOLATOR AND CHOOSE. First they allow a set amount of current to travel between the positive terminals of two or more batteries.
So for instance if a system was set up with a relay isolator. Answer: In most cases you do not want to connect the batteries using a battery isolator. Battery isolators are hard on alternators because they have a voltage drop. Your car battery is generally quite valuable.