Re: '89-91 power mirror upgrade....coming soon to this thread.
It's a fair bit of a job, I just did the conversion on my '91 Sub a few months ago.
Might be easiest to grab the entire front doors off a donor if you're planning some paint work, otherwise you've got to drill new mounting holes, patch the old ones, swap the reinforcing plates from a power-mirror truck, etc.
Swapping the door wiring is also a pain, you need to pull the rubber boots out and GM somehow contrived to rivet those things in, so you're in there with a grinder in a flex-head Dremel tool grinding off the rivets.
Then there's swapping the dash wiring harness to get the mirror wiring...
Last edited by JEM; 02-27-2010 at 12:18 PM.
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