1997 Ford Probe Base, StandardFACTORY OEM SERVICE PROCEDURE

Test F: Generator

  1. Battery Voltage Check

    Using DVOM, measure battery voltage at battery terminals. If voltage is 12.4-12.6 volts, go to next step. If voltage is not 12.4-12.6 volts, replace or charge battery. Check charging system.

  2. Check For Battery Voltage at ABS Control Module

    With ignition off, measure voltage between ground and ABS control module Black/White wire. Voltage should be zero volts. Turn ignition on, voltage should be more than 10 volts. If voltage is as specified, go to next step. If voltage is not as specified, repair Black/White wire between battery, fuse and ABS control module.

  3. Generator Voltage Check

    Set DVOM on 20-volt scale. Start engine and let idle. Measure voltage at generator terminal "B" (Black wire). Voltage should be 14.1-14.7 volts. Measure voltage at generator terminal "L" (White/Black wire). Voltage should be 13.0-14.0 volts. Measure voltage at generator terminal "S" (White/Green wire). Voltage should be 14.1-14.7 volts. If voltage is as specified, go to next step. If voltage is not as specified, check charging system wiring or repair generator.

  4. ABS Control Module Generator Voltage Check

    With ignition on and engine off, measure voltage of White/Black wire at ABS control module. Voltage should be 0.8-3.0 volts. With engine idling, voltage should be more than 10 volts. If voltage is as specified, go to TEST G  . If voltage is not as specified, repair White/Black wire between ABS control module and generator.
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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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