Cummins/Onan 3100 series — Fuel Transfer Pump Motor Connections
Repair & overhaul · Replacement fuel transfer pump motor
For the Cummins/Onan 3100 series, from the Cummins/Onan service manual.
Applies to: Cummins/Onan DGBB, Cummins/Onan DGBC, Cummins/Onan DGCA, Cummins/Onan DGCB, Cummins/Onan DGCC, Cummins/Onan DGDA, Cummins/Onan DGDB, Cummins/Onan DGDK, Cummins/Onan DGEA, Cummins/Onan DGFA, Cummins/Onan DGFC
Procedure
- Remove the end bell cover for access to the motor wiring terminals.
- Disconnect the brown lead from motor terminal P103-3 and connect it to terminal P103-6.
- Disconnect the red lead from motor terminal P103-2 and connect it to the piggy-back terminal on the lead at terminal P103-3.
- Cut the white lead from its ring connector at motor terminal P103-4 and strip 1/2 inch (12 mm) of insulation.
- Connect each lead of the five-lead wiring harness to the motor terminal or lead marked on it.
- Connect the red motor lead to the piggy-back terminal at motor terminal P103-3.
- Secure the end bell cover.
Specs & values
- Strip 1/2 inch (12 mm) of insulation
Full service-parts list: Cummins/Onan DGBB →, Cummins/Onan DGBC →, Cummins/Onan DGCA →, Cummins/Onan DGCB →, Cummins/Onan DGCC →, Cummins/Onan DGDA →, Cummins/Onan DGDB →, Cummins/Onan DGEA →, Cummins/Onan DGFA →, Cummins/Onan DGFC →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.