2000 Ford Contour SVTFACTORY OEM SERVICE PROCEDURE

Connector Circuit Reference

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
PCM C175b CONNECTOR PIN REFERENCE

G03202142
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
56 31S-PG24(BK/OG) PCM ground to clockspring 0 volts, less than 5 ohms between the clockspring and the PCM. Greater than 10,000 ohms between the PCM and ground with the clockspring disconnected.
57 7-PG24 (YE/BU) PCM (VREF) feed to clockspring Approximately 4.5 volts, less than 5 ohms between the clockspring and the PCM. Greater than 10,000 ohms between the PCM and ground.
SPEED CONTROL SWITCH C208 CONNECTOR PIN REFERENCE

G03202143
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
2 - 0 volts, less than 5 ohms between the speed control switch and the clockspring. Greater than 10,000 ohms between the speed control switch and ground.
4 - 0 volts, less than 5 ohms between the speed control switch and the clockspring. Greater than 10,000 ohms between the speed control switch and ground.
HORN SWITCH C217 CONNECTOR PIN REFERENCE

G03202144
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
3 - 0 volts, less than 5 ohms between the clockspring and the speed control switch. Greater than 10,000 ohms between the clockspring and ground.
4 - 0 volts, less than 5 ohms between the clockspring and the speed control switch. Greater than 10,000 ohms between the clockspring and ground.
CLOCKSPRING C218b CONNECTOR PIN REFERENCE

G03202145
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
3 31S-PG1 (BK/BU) speed control switch circuit 0 volts, less than 5 ohms between the clockspring and the speed control switch. Greater than 10,000 ohms between the clockspring and ground with the PCM disconnected.
4 7-PG24 (YE/BU) speed control switch VREF feed circuit Greater than 4.5 volts, less than 5 ohms between the clockspring and the speed control switch. Greater than 10,000 ohms between clockspring and ground.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.