It not only means having a backup battery in case of failure but being able to run electrical appliances without the risk of running out of energy to start the car the next morning. A dual battery system is one of the first necessities to cross any overlanders mind.
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How to install a second battery in your car. First you need space enough for a dual battery setup either in your engine bay in the cabin of your vehicle or in the tray if you have a ute. Step 3 attach the battery isolator to the firewall of your engine compartment. Bolted onto the constant duty solenoid. Mount a battery tray in the chosen location using a tray that fits the second batterys size. Ran the 2 gauge positive wire around the back of the engine on the fire wall. Step 1 mounting the second battery.
Use two extra wires. One should go from the alternator to the central terminal and one should travel from the third terminal of the isolator to the second battery. While the engine compartment is often the first consideration this often. Supercheap auto sell battery trays and all necessary accessories for mounting your second battery. Start by deciding on a mounting position for the second battery in your engine bay. Use existing bolts for an anchor for the tie downs or drill and attach the tie downs with sheet metal screws.
You can install the second battery in the passenger compartment or the trunk although you need to take precautions if you install it in the passenger compartment and its a good idea to use a battery box or some other kind of protection even if it goes in the trunk. How to add a second battery to a vehicle. Make a connection between the alternator and the central terminal of the isolator usually marked with an a. When you wire the batteries together its essential to wire them in parallel. Pick a location inside the car to mount the second battery. Place your extra battery in your vehicle and attach battery tie downs to hold it in place.
On the other side of the solenoid the 2 gauge positive wire connected to the. A large deep cycle battery needs a strong support and that usually comes in the form of a 3mm powder coated steel tray on which the second battery will sit atop. Five steps to check a car battery. Just be careful to ensure your battery kit has enough wire to reach the second battery.
Gallery of How To Install A Second Battery In Your Car
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