Wiring a Battery Isolator
The following article shows how to connect a battery isolator. The isolator is installed when the car needs a second battery. This will be required by cars that have bigger stereos. Since more power is needed second battery is added with the help of an isolator.
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.
A 4 gauge battery cable run from the positive terminal of the second battery to the terminal on the battery isolator on the left hand side. The end of each side of the wire is striped about half inch from the end. A terminal on to each end is crimped using a terminal crimper. Then the positive terminal on the second battery is connected to the terminal on the isolator using a 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.
A 4 gauge wire run from the negative terminal on the second battery to the ground source on the frame. A half inch on each side is striped and a battery terminal is crimped using terminal crimpers. The cable is bolted using the same procedure.
Thus the article helps us to learn how to connect a battery isolator.
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