there is only one wire coming from the bbq ingnitor is the spark going to the inside of the chamber wall {spark going to screw then wall}

this is my fist gun it simple just 2ft of three inch pvc pipe, and 2ft of two inch pvc pipe{the barrel}, a female drianage cap, and a male cap, and a 3inch to two inch conveter. if u have any comennts or q's that i can anwser let me know