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Home›Repair guides›“ELEC START.”

Cummins/Onan — “ELEC START.”

For these Cummins/Onan models: 15.0 HA - 21 - a, 7.5 HA - 21 - a.

Applies to: Cummins Onan 15 0 Ha 21 A, Cummins Onan 7 5 Ha 21 A

Procedure

  1. 2. Battery terminals may be incorrect. Should have negative ground only.
  2. 3. Check cranking limiter. If tripped, push reset button after waiting one minute. Before restarting, check for cause.

Source: manual:907-0500 Onan HA Auto Demand Control Service Manual (06-1984).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.