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.
1988 Chrysler Conquest AutomaticFACTORY OEM SERVICE PROCEDURE
ISC Servo Motor
- Check resistance between terminals No. 1 and 4 of ISC servo motor. See Fig 1 . Standard resistance at 68°F (20°C) is approximately 5-11 ohms for all other models. Ensure no continuity is present between terminals No. 1 and 4, and servo motor body.
- Use 4 flashlight batteries (6 volts) and apply negative and positive voltage between terminals No. 1 and 4. See Fig 2 . Ensure ISC servo extends and retracts as necessary.
Factory Service Tools
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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.