Cummins/Onan M-1902s — Connecting to Vehicle Systems
Installation · fuel, battery and remote connections
For the Cummins/Onan M-1902s, from the Cummins/Onan service manual.
Applies to: Cummins/Onan HDKA, Kubota V1505-E3BG engine
Before you start
- Do not connect battery cables until instructed in Initial Start and Checks.
- Fuel presents fire/explosion hazard; keep ignition sources away.
Procedure
- Route fuel line separate from electrical wires or separate with conduit or sheathing.
- Use fuel hose fittings with 1/8-27 NPT female connectors; protect holes with grommets; secure fuel line every 18 inches.
- Connect fuel lines to bulkhead connectors at the compartment.
- Install listed 1/2-inch flexible watertight conduit over the AC wiring.
- Route battery positive (+) cable through access hole; connect to B+ on start solenoid.
- Connect battery negative (-) cable to engine block.
- Route remote control connector and connect to DC control box.
Full service-parts list: Cummins/Onan HDKA →, Kubota V1505-E3BG engine →
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.