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Home >> Ford >> 1992 >> Probe LX, Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator - MITSUBISHI W/Internal Regulator >> On-Vehicle Testing (3.0L Engine) >> Load Test

Load Test

  1. Increase engine speed to 2000 RPM. Turn on blower to high speed and high beam headlights. If voltage increases by .5 volt or more, and charge indicator light goes out, check for battery drain.
  2. If voltage increases by .5 volt or more, and charge indicator light remains on, go to "A" CIRCUIT TEST . If voltage increase is less than .5 volt, go to "I" CIRCUIT VOLTAGE TEST .
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