melody. 1  grace note - An extra note for embellishment, not necessary for the harmony or melody. 2  absolute music, abstract music, pure music - Absolute music (abstract music, pure music) is music for its own sakeâconcerned only with structure, melody, harmony, and rhythm. 3  air - An expressive succession of musical soundsâa melody or tune.
A transmission solenoid is an electro-hydraulic valve that controls fluid flow into and throughout an automatic transmission. Solenoids can be normally open or normally closed.ransmission solenoids are usually installed in a transmission valve body, transmission control unit or transmission control module.
With manual transmission vehicles you work the clutch yourself to shift gears. With an automatic transmission system, shifting is controlled by a complicated hydraulic system, which uses control solenoids to direct the transmission fluid.(Bizhan33/iStock/Getty Images).omputer Controls. The opening and closing of control solenoids is controlled by the computer on the solenoid pack, the unit on which all the control solenoids are mounted.