12V Auto Car Engine Push Button Start Stop Ignition Switch Keyless Starter Replacement Specification: Line position function: Red line (Button +12V power supply line) Black line (button LED light negative control) Yellow line (key switch positive power trigger output control) 3-line function description: + Positive trigger output control, after pressing the start button, the yellow line outputs +12V; the black line connects the button light to control the negative output line, and the button light illuminates. Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Car Engine Push Button