On a vehicle door, a containment cable should be installed on the?

A containment cable on a vehicle door is primarily intended to secure the door's extension springs. Extension springs are designed to assist in lifting or lowering the door and often operate under tension. When a vehicle door is being serviced or removed, the extension springs can pose a risk if they accidentally release; hence, using a containment cable ensures that any sudden release does not result in injury or damage. The cable keeps the spring in place, allowing for safer handling and minimizing hazards during maintenance.

In contrast, other components like hinge springs, lift supports, and door latches do not serve the same purpose in terms of spring tension management and safety during vehicle repairs. Proper knowledge of the components that require containment is crucial for safe vehicle maintenance practices.