A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
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Step 2 - Disconnect the load (powered components) to eliminate the circuit's normal path to ground (GND)
Step 3 - Connect the Ohmmeter as illustrated
Continuity (approximately 0 ohm):
Little or no resistance indicates that there is a continuous conductive path between the isolated circuit and ground (GND), even though all the
circuit's normal ground (GND) paths are eliminated. There is a short - an unintentional connection to ground (GND) - somewhere in the circuit.
No Continuity:
The circuit's normal ground (GND) paths have been disconnected, and there is no other connection between the isolated circuit and ground (GND)
- no short has been detected.
Testing With An LED Test Light Or Voltmeter (Multimeter)
Testing For Short Circuit To Ground
The example used here is a short that is causing a blown fuse in the circuit powering the license plate lights and the glove compartment light.