TRUNNION GP-BULLDOZER 2374370 - Caterpillar

The Engine Will Not Shut Down from the DCU
Use the following checks if the engine will not shut down from the DCU.
Check the Engine Control Switch (ECS) configuration. Ensure that the ECS is in "Local" mode.
Check the panel and ECS wiring. Check the DCU Relay 5K26 wiring at terminal 80. Terminal 80 should have 24V while the DCU is indicating stopping.The Local Throttle Control Does Not Work (Prop Only)
Use the following checks when troubleshooting the local control throttle:
Ensure that the Engine Control