Alternatively, a tech may choose to de-energize the circuit and use an ohmmeter to check for a path between the two points as is often done to test a fuse ... source of the short without blowing a ...

Connect the probes and it will beep if there is a short and ... that uses 4-wire resistance measurement to isolate the device under test without having to do surgery on the circuit.

Why does my car’s wiring system ... recommended wiring diagrams and use of poor quality wire harnesses with defective wire sizes and insulation can cause harmful short circuits or fire out ...