This is a chart showing pinouts for all factory 2.3T cars, as well as what it takes to swap from a P series (83-86) to L series (87-88 TC) ECU. Also need to make sure you have brown top injectors (35lb) and the big VAM (3" in/out).
The link works. It's a PDF file. This means you need to have adobe reader installed (in which case you'd right click & save as so you can then open the downloaded file in adobe reader), or you can just click the link and open it in any modern web browser that's been updated in the last year (Chrome, Firefox, Internet Explorer).