The power required for your car stereo is dependent on the size of the car stereo. When you listen to stereo when the car is switched off then the battery will lose its power and it becomes difficult to start. To avoid this situation we can add a second battery but doing this is not as easy as we say it. For this we need a battery isolator that allows the charging of the battery while the car is running and this also separates the two battery. But how to connect a battery isolator is the real problem. This could be easily solved by doing the steps given below.

The hood is popped. New battery is placed on the second battery tray on the driver’s side of the vehicle. It is secured using 3/8 inch ratchet and socket. Using drill the battery isolator is mounted on the fender well. Then the screws and the bracket that comes with the battery isolator are self-tapped . a length of four gauge battery cable run from the positive terminal of the first battery to the terminal on the battery isolator on the right hand side. The end of each side of the wire is stripped about half inch from the end and a terminal on to each end is crimped using a terminal crimper. The positive terminal from the first battery is connected to the terminal using a 3/8 inch ratchet and socket.

Open the front hood and place the secondary battery in its corresponding tray using a 3/8 inch socket and ratchet. Make sure the battery is properly in position and should not be kept tilted. Using a driller mount the battery isolator then connect the terminal of battery isolator to the positive terminal of the battery using a battery cable. The wire connecting the battery and isolator are stripped and held in position using the 3/8 inch ratchet and socket.

A 18 gauge wire run from the ignition terminal on the battery isolator through a grommet in the firewall and the above one is made to run to the steering column on the interior. The wire is probed with the test light and the ignition is turned to the on position then off it. this is done to check the settings. An ignition lead is there when the light turns on when it is on and turns off when it is off. The 18 gauge wire is connected to the ignition wire using a blue Scotchlok connector.

The wire strippers are used to strip inch off the other end of the 18 gauge wire. A ring terminal is crimped on to the end of the wire using the wire crimpers. the wire is connected to the ignition terminal on the battery isolator using a 3/8 inch ratchet and socket.

A 18 gauge wire run from the ground terminal on the battery isolator to the ground source on the frame. a wire is bolted to the frame on the passenger side. A ring terminal is crimped on both sides of the wire using wire crimpers and it is bolted to the ground point and the battery isolator using a 3/8 inch ratchet and socket.

The negative terminal of the secondary battery is connected to the ground point on the frame using a gauge wire and is bolted on the either end to ensure connections, now the secondary battery will start charging only when the engine is on.

It is easy to couple the secondary battery with the primary battery using this manual on HOW TO CONNECT A BATTERY ISOLATOR where it eliminates the need for supervision.

Come and find out more about Car Hifi, then visit Author Name’s site on how to choose the best Car Audio for your needs.

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