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.
1987 Jeep Cherokee LimitedFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Audio Alarm Module | On side of fuse block. |
| Cruise Control Regulator Module | Under dashboard above brake pedal. |
| ECU | Under dashboard above accelerator pedal. See Figure. |
| Ignition Control Module | In engine bay on right wheelwell. See Figure. |
| Intermittent Wiper Module | Under left side of dashboard above brake pedal. |
| Keyless Entry Receiver | Between sun visors. |
| Sentinel Light Module | Under left side of dashboard near headlight switch. |
| System Sentry Control Module | Under dashboard to right of steering column. |
| Transmission Control Unit | Under the glovebox. |
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:
- • 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.