Looking to add a dual battery system to your 4WD? Shaun Whale from 4WD Action walks you through the. Feb How Does a Laptop battery Isolator Work? The battery cable should be sized in accordance with the engine.
ANSWER: Check to see if the isolator is working with a digital multi- meter set on. For some electrical devices (such as desktop computers), the power supply circuit must be able to supply multiple voltage values for the electrical device to work.
Someone should be within voice range or close enough to come to your aid when you work near a lead-acid battery. Find a dealer near you. The engine starting battery would be connected to one of the other terminals. When switch B is off, the solenoid B is off (disconnected) and you can work on.