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Testing for short circuits to ground

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Testing For Short Circuits To Ground (1 Of 2)
G03509768Courtesy of SAAB-SCANIA OF AMERICA, INC.
Fig 2: Testing For Short Circuits To Ground (2 Of 2)
G03509769Courtesy of SAAB-SCANIA OF AMERICA, INC.
  1. Make sure the lead being tested is not under tension (e.g. remove the relevant fuse) and that any loads are disconnected.
  2. Set the multimeter for measuring ohms.
  3. Connect one test lead to a good ground and the other to the point to be tested.
  4. Carefully jiggle the wiring harness and make sure the multimeter reading shows infinite resistance (OL) all the time.
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