Detroit Diesel — Welding Precautions
Repair & overhaul · electronic control components
From a Detroit Diesel service manual — check it applies to your exact model before use.
Applies to: Detroit Diesel Series 60 engine
Procedure
- Cut off battery power (battery master switch) in rear electrical compartment.
- Disconnect wiring harness connectors from ECM (Electronic Control Module) mounted on the starter side of the engine.
- For vehicles with automatic transmission, disconnect wiring harness connectors from ECU in rear electrical compartment.
- For vehicles with ABS, disconnect wiring harness connectors from ABS Electronic Control Unit in the front service compartment.
- Cover electronic control components and wiring to protect from hot sparks.
- Do not connect welding cables to electronic control components.
- Do the appropriate welding on the vehicle.
- Connect ECM, ECU and ABS electronic control units.
Full service-parts list: Detroit Diesel Series 60 engine →
Source: Detroit Diesel 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.