Why Disconnect Negative First. Unless your motorcycle is one of the very rare positive ground types this video will explain why its always better to disconnect the negative terminal wh. A car batterys negative terminal has a cable that runs from it to the frame of the vehicle.
The negative terminal will be marked by a minus sign and black cable and the positive with a plus sign and red cable. Because the negative terminal is connected to the car body. Your battery cables are attached to the terminals by a nut so youll need to use a socket or adjustable wrench to loosen each nut.
When disconnecting the cables from the old battery disconnect the negative first then the positive.
If positive terminal is removed first then chances of a spark are more if this terminal touches the body through the metal spanner or wrench you are opening with is grounded accidentally and may end. Connect the new battery in the reverse order positive then negative When you are replacing your car battery It isnt always easy to remember the order in which to disconnect and reconnect the terminals. When disconnecting the cables from the old battery disconnect the negative first then the positive. Once thenegative cable is off if you touch the body with the wrench while removing the positive cable nothing happens because you no longer ha.
