In a General Electric (GE) locomotive, the location of the bathrooms can vary depending on the specific model and design. Generally, the bathrooms on a locomotive are not as extensive or easily accessible as those on passenger trains.
In many freight locomotives, including those built by GE, there might not be a dedicated restroom inside the locomotive cab itself. The main focus of locomotive design is to maximize operational efficiency, power, and space for the control systems. As a result, bathroom facilities are often not prioritized for the crew.
However, some long-haul or crew change locomotives might have limited bathroom facilities onboard, typically located at the rear of the locomotive or in a separate compartment adjacent to the cab.
For long journeys or when necessary, the crew may have scheduled breaks where they can use bathroom facilities at certain stations along the route.
Keep in mind that this information is based on the typical configurations up to my last knowledge update in 2023, and there may have been advancements or changes in locomotive design since then.