Last time I tried soldering something that was surrounded by plastic, the plastic melted and the pin pushed right through. Believe me, soldering is what I would rather do, but I don't want to damage anything.
And tailgunner, about the path of electricity... All I have to do is make sure the screw heads inside the blast chamber are closer together than the ones on the gun. Even a milimeter closer and were in buisness, so that's not a problem. The reason I went with a stungun, is for a few reasons though:
1. Reliability, you could go through 10 BBQ ignitors before 1 stungun fails.
2. Better Spark, you'd be hard pressed to find a better spark, hotter, larger than a stungun. And the quicker the fuel ignites the better the shot.
3. Price, I got the stungun for $20. Replace a bbq ignitor a couple times due to #1 and you're getting close to $30.