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Home >> Saab >> 1998 >> 900 S, 2D Convertible, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Module (ECM) (9000 Series With TRIONIC System) >> Power Circuit
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Power Circuit

  1. Check for battery voltage at terminals No. 1 and No. 48 (Pink/White wires). If battery voltage exists, go to next step. If battery voltage does not exist, repair Red wires between ECM and fuse panel.
  2. Turn ignition on. Check for battery voltage between ECM terminal No. 60 (Yellow/Gray wire) and ground. If battery voltage does not exist, repair open circuit in Yellow/Gray wire.
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