2000 Saturn LS AutomaticFACTORY OEM SERVICE PROCEDURE

Test A: Power Windows Do Not Operate

  1. Check WINDOW/SUNROOF fuse (30-amp) in underhood fuse block. Check Orange wire between underhood fuse block and right instrument panel fuse block for short to ground or open. SeeWIRING DIAGRAMS  . Repair circuit and replace fuse as necessary. If fuse and circuit are okay, go to next step.
  2. Check IGN fuse (30-amp) in underhood fuse block. Check Red wire between underhood fuse block and ignition switch for short to ground or open. See WIRING DIAGRAMS  . Repair circuit and replace fuse as necessary. If fuse and circuits are okay, go to next step.
  3. Check Black wire between master switch assembly and right body ground splice pack for poor connection or open. See WIRING DIAGRAMS  . Right-side body splice pack is located under passenger's seat. Repair circuit as necessary. If ground circuit is okay, go to next step.
  4. Check Brown wire between ignition switch connector and right instrument panel fuse block connector for short to ground or open. See WIRING DIAGRAMS  . Repair circuit as necessary. If fuse and circuit are okay, go to next step.
  5. Check Yellow wires between right instrument panel fuse block connector and master switch assemblies for open or short. See WIRING DIAGRAMS  . Repair circuit as necessary. If circuit is okay, go to next step.
  6. Check power window relay. Power window relay is located in right instrument panel junction block. All junction block relays (except ABS and door lock) are interchangeable. Substitute a known-good relay from either junction block to check system. Replace as necessary. If relay is okay, go to next step.
  7. Check Black wire between right instrument panel fuse block and right body ground splice pack for poor connection or open. See WIRING DIAGRAMS  . Repair circuit as necessary. If ground circuit is okay, go to next step.
  8. Check master switch assemblies. See POWER WINDOW SWITCH  under COMPONENT TESTS.
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:

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

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