Hey everyone I'm touching back on a old post from I believe it was march of 2020 that an administrator commented on with a pic of the wiring. The pic is no longer available.the administrator username was swartlkk I believe. Trying to get some help with the wire identification for the overhead display compass temp unit.

 

What year Blazer do you have? Many of us have original manuals with schematics that we can post for you.

 

I have a 97.