Cars fitted with bigger stereo needs an alternative power source as they can’t rely entirely on the single battery to which they are connected. If we have an habit of listening to music when the car ignition is off the consequence will directly lead to complete drain of the primary battery source which results in problem with starting engine, the battery won’t have sufficient energy to crank the engine. This problem can be encountered by using a secondary battery source coupled with the primary source, the secondary battery can’t be directly linked with the primary battery we need a battery isolator to establish the connection .While doing so question like HOW TO CONNECT A BATTERY ISOLATOR erupts in our mind it is very easy if all the instructions are followed in this manual.

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.

Now the positive terminal of the secondary battery is connected to the other terminal of the isolator the wires are held in position using the socket and ratchet.

Take a lengthy wire connecting the ignition terminal of the isolator and run it down to the car interior near the steering column, test the ignition terminal with the 12 v test bulb, the light should turn on when the engine is on and should be in off state when the engine is off to ensure the connection is established.

After the connections is checked strip the one end of the lengthy wire using a wire stripper and clamp it with a ring type crimper and fix it to the battery isolator’s ignition terminal using the socket and ratchet. For grounding run a wire from the ground terminal of the isolator the the ground point on the frame and bolt the wires to ensure a tight connection.

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.

A difficult question how to connect a battery isolator can be answered very easily by following these simple steps.

Tags: Auto

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