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Home›Repair guides›11,000 ohms; C to E - 700 ohms, infinity. the other direction.

Cummins/Onan — 11,000 ohms; C to E - 700 ohms, infinity. the other direction.

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. 4. Resistors R2 and R4 should have resistances of 3. Check transistor Q1 (three-lead component) like
  2. 200 ohms and 47 ohms respectively. Use R X 1 a rectifier. Check resistance in one direction,

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.