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Testing for open circuits by measuring resistance

WARNING: This page is about a different car, the 2011 Saab 9-3 and 2010 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Measuring Resistance
G05035062Courtesy of SAAB-SCANIA OF AMERICA, INC.
Fig 2: Measuring Ohms
G05035063Courtesy 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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