Replaced ignition cylinder and housing (lost keys)?

Tiny
SAINTT
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 212,000 MILES
I damaged and mostly removed the metal backed plastic plate behind the wheel clock just in front of the ignition housing to get to the ignition housing bolts. I put in the new ignition, but when I turn the key I only get the battery light coming on for the dashboard, I'm not able to do the ignition re-learn procedure. Also, (not sure if this matters) I have power when I turn the key for everything but the dash lights, dash backlight, and the heat/AC unit.
Does this plate need to be in place for the ignition to function or is it possibly something else? I did notice that there is a spring-loaded button that was pressed up to the metal plate that I damaged and removed so I'm assuming it's a part of the wheel clock? (Idk) I marked it with an arrow in the pic I'm sending. The plastic plate the (brass? /Copper?) Button is up against is where the metal plate was attached. I tried sending a pic but I'm having problems uploading.
Wednesday, March 29th, 2023 AT 9:03 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
I don't see the images; can you please try again? In the meantime, here are the instructions on how to do the job so you can recheck your work. Also did you have the key coded to the car before you installed it?

Here is an important note when doing the job.

Important: The gears between the ignition switch and the lock cylinder housing must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a No Start or Battery Drain.

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Thursday, March 30th, 2023 AT 11:36 AM

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