Programmer Removal & Installation: Removal
Disconnect battery cable, remove glove box (all models except Oldsmobile) and cold air duct (Chevrolet only). Disconnect aspirator hose (Oldsmobile only). On all models, disconnect electrical connector plug and vacuum harness from vacuum valve. Loosen adjustment screw and disengage link assembly from programmer output shaft. Take out three mounting screws from programmer case, and pull programmer straight off blower housing. Take care to avoid damaging the resistor assembly on back of case. Remove cover for component replacement.