Snow won't stand a chance against a GM truck equipped with a snow-plow prep package, snow-plow and/or salt/sand spreader. Depending on the specific application, prep packages can also include a mounting location for snow plow controls, high-output alternator, emergency light power and forward lamp wiring harness, an instrument panel jumper wiring harness for an electric brake controller, a high-flow bumper, or a high capacity air filter and skid plates. Key features include: 4WD capability, GVWR§ packages of up to 11,400 lbs.