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Alternator Oscilloscope Information

Oscilloscope - Reference Images

Test alternator with oscilloscope (connect as for voltage measurement to B+ and alternator housing.

Alternator Images

Generator without Error


2342771

Generator with Phase Error


2342772

Generator with Diode Error (Plus or Minus Diode Break)


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Generator with Diode Error, Plus or Minus Diode (Short Circuit - Generator Excited)


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Generator with Diode Error, Plus or Minus Diode (Short Circuit - Generator Not Excited)


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Instruction for Static Current Measurement

Impermissible high battery discharge may also result from drawing of an increased static current.

Drawing of the static current is dependent on:

    • Vehicle equipment
    • Control unit tracking time
   


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