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Detection of open circuit
| PERFORMANCE ORDER | | 1. To check the integrity of the chain connect the device for check of schemes or negative probe of the voltmeter to the negative terminal of the battery or grounded element. | | 2. Connect the other probe to connection in a checked chain, preferably closest to the battery or fuse. In this case the circuit path to be energized from the accumulator if only the connection socket to the accumulator does not conduct current or blown fuse (thus do not forget that some chains of an electric equipment join only at key turn in the ignition lock in certain position). | | 3. Include a chain, then connect the probe tester to the connection nearest to the switch on the side of the circuit under test element. | | 4. If pressure is present (about what the control bulb testifies or voltmeter indications), it means that the circuit path between the corresponding connection and the switch has no ruptures. |
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Continue to check the circuit in the same way, and after the discovery of the site where there is no tension. This means that chain rupture has occurred between this point and the previous check on which there was tension. Most of the problems are caused by an open circuit broken or weakened socket.
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