K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
1. Install the auxiliary HVAC control processor (2) to the box (1).
2. Install the cover to the auxiliary HVAC control processor (2).
3. Install the auxiliary HVAC control processor (2) to the bracket (3).
4. Install the auxiliary rear HVAC control assembly.
