negative (-) coil wire color

[ssblubyyou]

What color is the negative (-) coil wire?

 

[ssblubyyou]

ttt.....looking to hook up my MSD window switch. Can't wait to get Amazon to tune it and spray it!!!!

 

[JB]

positive are red wires and the negative (grounded through PCM) are other colors

Each cylinder uses a different color for negative, so just use the wire that isn't red