... 1 and 2 harness, turbo timer harness, vaccum tube, Y fitting and filter. Also, there is an 58-page instruction booklet. This ... unit on the dash, gauge panel/steering column, or in dash pockets.Since this unit contains a Boost Controller, Turbo Timer, and Switching device ... bodily injury.- Disconnect the Battery prior to installation.- Do not adjust the unit while driving.- Obey all laws, rules and ...