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.
1994 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Short Circuit-To-Ground Check
- Turn ignition off. Disconnect connector at ABS control unit. On Escort and Tracer, ABS control unit is located underneath passenger's seat. On Probe, ABS control unit is located behind left cowl side trim panel. Set DVOM on 200-k/ohm scale.
- Measure and record resistance between ground and each of following ABS control unit connector wire terminals. See PINPOINT TEST WSS-2 CIRCUIT IDENTIFICATION table.
- If all resistances are more than 10 k/ohms, go to PINPOINT TEST WSS-3 . If resistances are NOT more than 10 k/ohms, repair short to ground in suspect wire(s) between ABS control unit and wheel speed sensor(s). Go to PINPOINT TEST WSS-3 .
PINPOINT TEST WSS-2 CIRCUIT IDENTIFICATION
| Wire Color | Application | |
|---|---|---|
| Escort & Tracer | ||
| Black/White | LF Wheel Speed Sensor | |
| Black/Red | RF Wheel Speed Sensor | |
| Black/Blue | LR Wheel Speed Sensor | |
| Black/Orange | RR Wheel Speed Sensor | |
| Probe | ||
| White | LF Wheel Speed Sensor | |
| Yellow | RF Wheel Speed Sensor | |
| Yellow/Green | LR Wheel Speed Sensor | |
| Green | RR Wheel Speed Sensor | |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.