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.
To measure current disconnect the negative terminal (I use the neg but you can use either), set your millimeter to measure amps and connect the meter between the battery terminal and the disconnected cable. If you donât have an amp meter then use a 12V test light bulb.y Cars. BMW 530i. To measure the current drain from your battery you will need to connect your multi meter in series with the battery and NOT in parallel across the positive and negative terminals.