Cummins/Onan GST30 G-Drive / QST30 G-Drive — Connect a standard PC to an ECM
Installation · INSITE / ECM communications
For the Cummins/Onan GST30 G-Drive / QST30 G-Drive, from the Cummins/Onan service manual.
Applies to: Cummins/Onan QST30 G-Drive engine
Procedure
- Use serial interconnect cable, Part No. 3825183.
- Connect the serial connector to the serial port on the back of your PC.
- Connect the 9-pin Deutsch connector to the engine harness near the flywheel housing.
Tools required
- Serial interconnect cable 3825183 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.