because when the battery is connected it is like an on and off switch with the switch in the on position!
Disconnect the negative battery cable.
Yes, you better disconnect the negative battery cable.
Disconnect the cable from the LeSabre battery. Follow the route of the cable and disconnect the other end. Pull the cable out, then fit the new cable in the same direction. Connect the non battery end, then connect to the battery.
Disconnect the negative cable first when disconnecting a car battery
You have to disconnect the negative cable from the battery.
Disconnect the negative cable first when disconnecting a car battery
Disconnect the negative battery cable for about a minute Disconnect the negative battery cable for a minute or so
negative first
Disconnect the negative battery cable.
Disconnect the negative cable.
Disconnect the negative cable first and reconnect the negative last.
First disconnect the negative battery cable, then disconnect the positive battery cable. Batteries usually are held down by a clamp or bracket. Unbolt or unhook the bracket. and remove the battery. Installation is the reverse. Hook negative cable last. HTH