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 MANUALSPLYMOUTH1990LASER RS, 2.0 R, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1990 Plymouth Laser RS, 2.0 R, Standard
Control Units
1990 Plymouth Laser RS, 2.0 R, StandardSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| A/C Control Unit | Under dash, near A/C evaporator housing. |
| Automatic Seat Belt Control Unit | On left rear door post, behind panel. |
| EATX Auto. Trans. Control Unit | Under right side of dash, next to ECU. See Figure . |
| Cruise Control Unit | Under left side of dash. |
| Door Lock Control Unit | Behind right side kick panel. |
| EATX Control Unit | Under dash, next to ECU. See Figure . |
| Engine Control Unit (ECU) | Under dash, behind center console. See Figure . |
| Theft Control Unit | Behind right side kick panel. |
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.