Cummins/Onan — Fuel Transfer Pump Motor Connection (Replacement)
Maintenance
From a Cummins/Onan service manual covering: QSX15, QSX15-G8, QSX15-G9. Check it applies to your exact model before use.
Applies to: Cummins/Onan DFE, Cummins/Onan DFEJ, Cummins/Onan DFEK, Cummins/Onan QSx15, Cummins/Onan QSX15-G9 engine
Before you start
- Diesel fuel is highly combustible; install/service by trained personnel per applicable codes.
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; it will connect to the piggy-back terminal at P103-3.
- Cut the white lead from its ring connector at P103-4; strip 1/2-inch (12 mm) for splicing to harness lead P103-WHITE.
- 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 FridayParts $37.68 (12 mm) of insulation
Full service-parts list: Cummins/Onan DFE →, Cummins/Onan DFEJ →, Cummins/Onan DFEK →, Cummins/Onan QSx15 →
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.