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 MANUALSJEEP1987CHEROKEE LIMITEDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDESCRIPTION & OPERATIONCONTROL MODULE
1987 Jeep Cherokee Limited
Control Module
1987 Jeep Cherokee LimitedSECTION Control Module
Control module receives an input voltage representing vehicle speed from speed sensor, which is driven by the speedometer cable. The control module has a low speed circuit that prevents operation at speeds below 30 MPH. See Figure .
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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.