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.
1993 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Wheel Speed Sensor Signal Check
- Ensure ignition is off. Disconnect ABS control module connector. See Figure
. Set VOM on 5-volt scale. While rotating each wheel at 60 RPM, measure and record voltage at each of following wires at control module connector:
- White and Red wires (Left Front Wheel Speed Sensor).
- Yellow and Orange wires (Right Front Wheel Speed Sensor).
- Red and Yellow/Black wires (Left Rear Wheel Speed Sensor).
- Green/Black wires (Right Rear Wheel Speed Sensor).
- If ALL voltage readings are .25-3.0 volts, go to PINPOINT TEST WSS-7 . If any voltage reading is not with specification, go to PINPOINT TEST WSS-6 .
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.
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