Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSAAB1990900 SPG, STANDARDREPAIR AND DIAGNOSISELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1990 Saab 900 SPG, Standard
Control Units
1990 Saab 900 SPG, StandardSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Unit | On left side of engine compartment, front of wheel housing. |
| Auto. Performance Control (APC) Control Unit | On left side of engine compartmant. |
| Burglar Alarm Control Unit (Convertible) | Under rear seat. |
| Cruise Control Unit | Under left side of dash, behind knee bolster. See Figure . |
| EZK Ignition Control Unit (16-Valve Non-Turbo) | In front of left wheelwell, near ignition amplifier. |
| Ignition Amplifier | On cooling plate in front of left wheelwell. |
| Ignition Pulse Amplifier (w/Tach.) | On fuse/relay panel, position "D". See Figure . |
| Fuel Injection Control Unit | Behind right kick panel. See Figure . |
| Passive Seat Belt Control Unit | Under rear seat. |
| Power Door Lock Controller | Under right side of dash, behind knee bolster. |
| Upshift Relay/Controller | On fuse/relay panel, position "F". See Figure . |
RENDER: 1.0x
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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.