Application : UniversalApplicable models: general without TURBOColor:Black+RedInstallation Instructions:1. wired red wire to positive battery terminal2.wired black wore to negative terminal3. fed switch wires (blue and green) through fire wall to accelerator pedal.4.Attached micro switch to accelerator pedal5. connected switch to the normally closed terminal and earth terminal on micro switch 6.push accelerator fully in， when releasing the speaker makes dump valve sound.Packing list:1 x Turbo Blow Off Valve