Yes. That is one way. They way I was suggesting was to get it in series - amp mode - with the negative terminal of the battery. That way you see what the battery does. Need to start out with a jumper across the meter leads to avoid blowing the fuse in the meter from the little surge that happens from the caps in everything. Make sure lights all go off and computers shut down, then pull jumper so meter sees all. Then start pulling fuses.