Just bought a h4 conversion harness from summitt for my 70 stang - need to get lights brighter. Has anyone installed and any tips. One thing I'm not sure about is where you tap into the old harness. thanks
Pull it out and look at it first, that will help you realize how it goes. If you search the forum, I am sure you will find that topic discussed a few times. You DON'T have to cut anything, it should be all plug and play.
When you get it done, you will notice a difference.