We are going to show you how we replaced one of the ignition coils in a 2003 Chevy Trailblazer. We can also show you how we checked the spark plug. We hope these tips help you as you install your new ignition coil. If you have any questions, leave comments below and we would love to answer them. We cannot be held responsible for any problems during your repairs or installations and cannot guarantee that this fixes your problems. Take caution and use appropriate safety gear! If you do not have experience with this type of project, please seek help from a professional.
Thank you…easy to follow and did it myself! Saved $$ !
Even after 3 years, this was still very helpful. Thank you!
Thank you man for the video. I have a 2003 and my number coil went out. I was intimidated and didn’t think I could do it. You broke it down and now job done. Appreciate it
Clear and simple, thank you.
This is exactly what I needed to repair my Trailblazer