1994 Saab 900 Base, StandardFACTORY OEM SERVICE PROCEDURE

Power Circuit

  1. Check for battery voltage at terminals No. 1 (Red wire) and 48 (Red wire). 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 (Green/White wire) and ground. If battery voltage does not exist, repair open in Green/White wire.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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