First off welcome to the forums...glad to have you aboard. It's a pretty simple swap and is directly behind the glove box. You need to remove the glove box and you'll get a better look at it from there. Once that's done I believe it's 3 10mm bolts that hold it in place...remove the wiring harness attached to it and voila...now replace. It was that easy on my 1990 coupe so I would imagine it's the same for the 80. Goodluck!
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