Exhaust Brake Switch
Note: See Engine Protection—Warning and Shutdown for detailed information about exhaust brake operation.
An exhaust brake is an optional auxiliary braking system that assists but does not replace the service brake system on vehicles with Cummins engines. The exhaust brake may be used in conjunction with the service brakes in off-highway and mountain driving as well as in traffic or high-speed highway driving. Exhaust brakes are not intended for use as the primary braking system during vehicle operation.
To turn the exhaust brake on, press the upper half of the rocker switch. See Fig..
The exhaust brake turns itself off automatically. In addition, depressing the accelerator or clutch pedal deactivates the exhaust brake. The ABS, when active, also deactivates the exhaust brake.
