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The negative battery lead cable is to be connected to the negative lead terminal on the battery.
Connect the Positive + battery cable to the positive + battery post first. Then connect the Negative - cable to the negative - battery post.
It is a good thing to disconnect the negative battery cable when charging, so no damage can occur to the car's computers.
The man said it Always connect the positive + cable first to the battery. Then connect the negative- cable to the engine somewhere. Never connect the negative cable to the battery itself. Batteries vent hydrogen gas and which can ignite with the slightest spark. For this reason never, ever, connect the negative first and never connect the negative to the battery.
Overheat he battery to the point of busting it.
Connect the positive + red charger cable to the positive + red battery post. Then connect the negative - black charger cable to the engine somewhere. Most engines have something metal sticking up that you can connect to. Do not connect the negative charge cable to the negative battery post, always connect it to the engine.
connect the positive first, the negative. the negative cable doesnt spark as much
Connect the negative cable first.
You should connect the negative cable to the negative. Your question sort of stopped. Connect to a negative what?
At the battery if at all possible.
Disconnect the negative cable first when disconnecting a car battery
Disconnect the negative cable first when disconnecting a car battery