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Home >> Saab >> 2000 >> 9-3 Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Main Instrument Panel, Petrol - 9-3 >> Fault diagnosis, general >> Testing for open/short circuits >> Testing for open circuits by measuring resistance

Testing for open circuits by measuring resistance

Fig 1: Testing Open Circuits Measuring Resistance
G03463650Courtesy of SAAB-SCANIA OF AMERICA, INC.
Fig 2: Connecting Special Tool From Battery Terminal
G03463651Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Make sure the component or lead to be tested is not under tension (e.g. by removing the relevant fuse).
  2. Set the multimeter for measuring ohms and connect the ohmmeter to each end of the component/lead to be tested.
  3. Jiggle the relevant wiring harness while observing the ohmmeter.

    Normally, the resistance of a wiring harness is less than 1 ohm. Specified values apply to components.

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