The 2010 model is a robust medium-duty truck and chassis cab designed for a wide array of vocational applications. This EPA 2010 compliant model is recognized for its chassis versatility, allowing for the efficient mounting of specialized bodies and equipment essential for services such as utility, construction, and delivery. The commitment to supporting its body builder ecosystem is evident in the M2's design, which facilitates seamless integration of custom vocational solutions. Competitively positioned within the medium-duty segment, the M2 series is known for its engineering quality and reliability in demanding operational environments.

This manual serves as a comprehensive reference guide, with a primary focus on the electrical system and body builder integration for the M2 Series. It provides in-depth coverage of the vehicle's electrical architecture, including detailed information on wiring harnesses, power distribution, and the critical Bulk Head Module (BHM) pin details. The guide also outlines procedures for electrical troubleshooting, component identification, and safe power connections, along with best practices for harness modification. Aimed at fleet maintenance technicians, custom body builders, and specialized mechanics, this manual is an indispensable resource for maintaining, repairing, and customizing the M2 chassis for optimal performance and integration.