The reason is pretty simple. 17mm067 high quality universal truck motorcycle boat car battery terminal 1set 1p positive 1pc negative fits 6v12v positive or negative battery battery is not included in our package.
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Boat battery positive or negative first. When connecting a battery charger i connect the positive lead first. The red goes to the positive on the 12 volt battery. Mithun john jacob may 3 2010 2 comments whenever you work on a car battery always disconnect the negative terminal first and not the positive and when re connecting connect the positive first. I cant see how this would matter. Whole car except a few parts like the positive pole are connected. If you accidentally touch the engine bay or any other grounded metal part of the car with the positive nothing will happen.
Once the battery is disconnected gently lift it out of the battery box and place it out of the way. 19mm075 negative inner diameter. The black negative and red positive wire in your picture are for the power trim pump for your mercruiser. And car batteries are very good at shorts. So connecting the lead first is safer. There will be no spark because the ground is open.
On a side note on a boat with say twin batteries single engine like a 270 signature one would want the power trim cables on the starting battery. And you can accidentally hit that body with the positive lead. The black goes to the negative on the 12 volt battery. Always while connecting positive terminal first then negative and the ground to avoid fuse. Disconnect the battery cables starting with the negative cable before disconnecting the positive cable from the battery. Your main 12 volt negative cable s will be yellow.
Then i connect the negative ground to the engine block bumper or some part of the frame far away from the battery. Any mistake with the other lead will lead to a short. Could i connect the black to the giant metal boat i am driving and then connect the negative on the battery to a different part of the metal boat. This home depot project guide offers detailed instructions on removing a car battery and installing a new one. That way any spark is far away from the battery. Locate the battery within your boat and switch the marine battery switch to off while you remove the old battery.
Knowing how to change a car battery or install a car battery is a valuable skill for any car owner. A friend of mine told me that i should always disconnect the positive terminal of the battery first to keep the electricity from spilling out of the battery. If you connect negative terminal first there are chances are circuit to be shortedwhile positive terminal is connected. You really do not want this.
Gallery of Boat Battery Positive Or Negative First
