Kohler KD1250-A, KD1350 Industrial Generator Sets Wiring Diagrams (tp7117)

These KD1250-A and KD1350 generator sets usually sit in plants, hospitals, or data centers, running long hours as standby or prime power. This wiring-diagram manual is what I’d pull out when I need to trace control wiring, verify harness repairs, or confirm how a retrofit ties into the existing system. If, for example, the set won’t start from the remote panel but starts locally, I’d use this to follow the signal path through the connectors and prove where the command is getting lost.

Applications & Use Cases

• Trace control circuits from the engine and alternator up to the control panel to isolate no-start or no-crank issues.
• Verify wire routing and connector pinouts after replacing a damaged harness or plug.
• Plan safe retrofits, like adding monitoring or alarms, by identifying proper tap-in points instead of guessing.
• Continuity-test suspect wires, using the diagram to match color codes and terminal IDs end to end.
• Check grounding and bonding paths to resolve nuisance trips, erratic readings, or communication faults.

FAQ

Q: Can I use this on a tablet or phone at the generator?

A: Yes, it’s practical to zoom in on connector details on a tablet or phone, but I still print key pages for dirty or tight spaces.

Q: Is it worth printing the whole thing?

A: I usually print just the main schematics and connector views, then keep the full file digital for quick searching back at the bench.

Safety Note

Always isolate and lock out all power sources before opening panels or probing any wiring on these generator sets.

Kohler KD1250-A, KD1350 Industrial Generator Sets Index:

• Front Cover
• ProductIdentificationInformation
• Introduction/Service Assistance
• WiringDiagramCross-Reference/Controller Identification
• WiringDiagramReferenceCharts
• ADV-8900
• ADV-9027
• ADV-9028
• ADV-9029
• ADV-9030
• ADV-9031
• ADV-9032
• GM103061
• GM104173
• GM104174
• GM104175
• GM104176
• GM104177
• GM104178
• Back Cover

Kohler