I am looking to replace my old headliner as it has been sagging and I figure this would be a good time to get one or do it since I have the interior
taken apart. I am installing a factory subwoofer...so looking for my best options. It is an 88 GT with the sunroof and 3rd brake light. One thing, I am not
sure the sunroof is factory. I there anyway to tell like in the vin number or something? Any help is appreciated as I would like to continue working on
the car and getting her back on the road...thanks

According to this thread AD3 is the code that identifies a Fiero as having the sunroof. The codes a listed on a sticker on your left wheel well under the front bonnet (hood).

http://www.fiero.nl/forum/Forum2/HTML/126161.html

The search option here is very useful.

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[This message has been edited by 1MohrFiero (edited 03-29-2015).]

hey thanks for the info!!!!

You can also tell by the look....Factory sunroofs are larger with a small radius at the corners.....

[This message has been edited by Gall757 (edited 03-29-2015).]