1993 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Control Unit Connector Resistance Check

WARNING: This page is about a different car, the 1994 Mercury Tracer, 1994 Ford Probe, and 1994 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Verify ABS control unit connector is disconnected. Set DVOM on 2-k/ohm scale. Measure and record resistance between each of following ABS connector wire terminals. See PINPOINT TEST WSS-3 CIRCUIT IDENTIFICATION  table.
  2. If ALL resistances are between 1600-2000 ohms, go to PINPOINT TEST WSS-5  . If any resistance is not within specification, go to PINPOINT TEST WSS-4  .
PINPOINT TEST WSS-3 CIRCUIT IDENTIFICATION

Wire Color Application
Escort & Tracer
Black/White & Orange/White LF Wheel Speed Sensor
Black/Red & Orange RF Wheel Speed Sensor
Black/Blue & Red/Blue LR Wheel Speed Sensor
Black/Orange & White RR Wheel Speed Sensor
Probe
White & Red LF Wheel Speed Sensor
Yellow & Orange RF Wheel Speed Sensor
Yellow/Green & Yellow/Blue LR Wheel Speed Sensor
Green & Blue 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.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.