The ConsuLab HV-MP-1918 trainer combines an HV-1918-1S Heavy Vehicle Lighting Systems Trainer on one side, with an MP-1918-1S Heavy Vehicle Multiplex Trainer on the opposite side. The trainer has two completely separate heavy vehicle lighting systems. The trainer utilizes the “Moduponent®” design feature which allows unlimited expansion capabilities. A Moduponent® consists of a clear Plexiglas sheet with components, wiring and socket test points attached. The Moduponent® is attached to the trainer frame using quick connect fasteners which allows easy removal and attachment for different configurations.