Yep, I in need of help....again

I didn't have a lot of time yesterday, to work on the bike.  I did take the plugs out to look at all of them.  Plugs on #1 and #2 look normal, #3 and #4 are black as can be.  I'm wondering if it's a plug wire issue.  I will see if 3 and 4 have spark later today.