1990 94 Chevy Truck Suburban HVAC Control AC Heater Gray Buttons Max Button

This GM Heater Control unit is a reliable and tested product for your 1990-94 Chevy Truck or Suburban. With gray buttons and a Max button feature, this unit provides easy and efficient control of your vehicle's HVAC system. It is compatible with a range of GM/ Chevrolet/ GMC/ AC Delco models, including the Blazer, Tahoe, and Yukon, and fits the 1500, 2500, and 3500 truck series.