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Cummins/Onan G1250s / M-1902s — Connecting to Vehicle Systems

Installation

For the Cummins/Onan G1250s / M-1902s, from the Cummins/Onan service manual.

Applies to: Cummins/Onan HDKA, Kubota V1305-B engine

Before you start

  • Do not connect the battery cables to the genset starting battery until instructed in the Initial Start and Checks section.

Procedure

  1. Route the fuel line separate from electrical wires or separate them with conduit or sheathing.
  2. Use fuel hose fittings with 1/8-27 NPT female connectors for the fuel tank pickup and return line.
  3. Connect the fuel lines to bulkhead connectors at the compartment.
  4. Install a listed 1/2-inch flexible watertight conduit over the AC wiring.
  5. Route the battery positive (+) cable through an access hole and connect to B+ on the start solenoid.
  6. Connect the battery negative (-) cable to a hole in the engine block.
  7. Route the remote control connector through an opening and connect it to the DC control box.

Specs & values

  • Secure fuel line every 18 inches

Full service-parts list: Cummins/Onan HDKA →, Kubota V1305-B 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.

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