ZONG 1Set Car Dump Electronic Turbo Blow Off Hooter Valve Analog Sound Simulator BOV

4 wires connection system. (Black is for Negative, Red is for Positive,Blue and Green are for the Switch) Universal Auto parts car fake dump Valve electronic turbo blow off valve sound 1) Wired red wire to positive battery terminal 2) Wired black wore to negative terminal 3) Fed switch wires (blue and green) through fire wall to accelerator pedal 4) Attached micro switch to accelerator pedal 5) 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 Applicable to Most Auto Car Vehicle Automobile. Please check the pictures for installation guide. Professional installation is highly recommended. Please read all description & fitment before ordering the product. 1 x Car Fake Blow off Valve Sound Electronic Turbo with Switch 1 x Mounting Bracket