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Home›Repair guides›Output Voltage Proc.

Cummins/Onan — Output Voltage Proc.

For these Cummins/Onan models: JB, JC, JC15, MDJE, MDJF, MJC, MJC15, RDJC, RJC.

Applies to: Cummins Onan Jc15, Cummins Onan Mdje, Cummins Onan Mdjf, Cummins Onan Mjc, Cummins Onan Mjc15, Cummins Onan Rdjc

Procedure

  1. 1. Is Field Breaker CB21 on control panel ON? 2 3
  2. 2. Connect jumper wire across terminals of Field Breaker,

Source: manual:900-0184 Onan YD Generators & Controls Major Service manual (10-1975).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.