What is the name of the piece of equipment that connects between the pickup and the truck camper?

The piece of equipment that connects between the pickup and the truck camper is known as the 12V DC umbilical cord. This cord is responsible for transferring power from the vehicle's battery to the camper, enabling various electrical functions such as lighting, appliances, and charging batteries within the camper itself.

Understanding the purpose of this cord is essential because it serves as the primary means of powering the camper while it is connected to the pickup truck. The umbilical cord typically comes with connectors designed to fit securely into both the vehicle and the camper, ensuring a reliable connection that can handle the necessary voltage and current.

In comparison, while other options like a power inverter, electrical harness, or connector cable may relate to electrical systems, they serve different functions. A power inverter converts DC power from the vehicle into AC power, while an electrical harness refers to a collection of wires that facilitate multiple electrical connections. A connector cable is a more general term that does not specify its role in providing power to the camper. Thus, the specificity of the 12V DC umbilical cord makes it the correct choice for this context.