To tow Grand Wagoneer and Wagoneer vehicles, which system must be utilized?

The correct system for towing Grand Wagoneer and Wagoneer vehicles is the Quadra-Trac I system. This full-time four-wheel-drive system is designed specifically for better traction and control, making it suitable for towing heavy loads, which is critical in ensuring a stable experience when towing the weight of these larger vehicles.

Quadra-Trac I utilizes a single-speed transfer case that automatically distributes power to all four wheels without the need for driver intervention. This automatic engagement is essential in varying terrain conditions, ensuring the vehicle maintains traction and power delivery during towing situations.

In contrast, Quadra-Trac II and Quadra-Drive II are more advanced systems that provide additional capabilities such as low-range gearing and limited-slip differentials, primarily aimed at off-road performance rather than just towing. Active Drive systems typically relate to different vehicle models and are not specifically for the Grand Wagoneer and Wagoneer. Thus, while these other systems offer their own benefits, they do not pertain directly to the requirement for towing these particular vehicles.