Handling difficult questions. It is important not to start responding to a difficult question before you have thought about the answer. Repeating the question and asking for clarification will help create some space for your thoughts.
Make sure all loads in vehicle are turned off, key is in the off position. Disconnect the negative battery terminal first then the positive terminal. When installing the new battery connect the positive terminal make sure not ground out the tool your using while tightening the positive terminal.
If you connect the negative first you have made a connection from  the battery to the whole body of the vehicle. When you then connect  the positive using a spanner (wrench) â¦ and whilst(while) touching  the positive terminal connect with the body of the vehicle with the  other end you will cause a short circuit. will call the battery that is not in the car the external battery. First connect the positive (+, usually red) jumper cable to the positive car battery cable, & then the other end of that jumper cable to the positive external battery terminal.