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.
1990 Eagle Summit Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| A/C Control Unit | Behind glove box, on A/C unit. See Figure . |
| A/T Control Unit | Behind center console. See Figure . |
| Auto-Cruise Control Unit | Under left side of dash, next to fuse block. See Figure & Figure . |
| Automatic Seatbelt Control Unit | Between front seats, next to parking brake. |
| Door Lock Control Unit | Behind left kick panel. See Figure . |
| Fuel Injection Control Unit | On right kick panel. See Figure . |
Factory Service Tools
Use the Manual With the Right Hardware
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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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