We don't have a lot of complaints on file for the GMC Blazer (although feel free to add yours here) -- probably because it's so old, no one bothers to post complaints anymore.
The 1989 GMC Blazer has the most complaints, & the most-reported problem is also with the 1989 Blazer for rear lights don't work, blow fuse.
Worst Reported Problems with the Blazer
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Latest Owner Complaints About the Blazer
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rear lights don't work, blow fuse -- 1989 Blazer:
I would like to get this problem fixed as soon as possible. I have spent so much trying to repair it and is driving me so crazy. Read more »
This problem has been reported 1 times by other 1989 Blazer owners.