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 Here you will find specific information, photos, and wiring diagrams for the installation of an Autronic engine managment system on a Toyota Celica GT-Four (ST185).
For a lot more information, and technical files, on the Autronic line of products, check out Autronic's website

Introduction    Package     Installation     Pictures    Forum    Software Pics

This page was created by Dennis Heath.
If you should wish to ask a question about the GT-Four/All-Trac, you can join the GT-Four Mailing List, where I, and many others with GT-Four's, might have your answer. For information on joining go to

 Please note that I am not a mechanic by trade, and that any information offered on this web page is free and without guarantee. Should you choose to perform any of the procedures listed on this site, you will be doing so of your own free will, and I will not be held responsible or liable for any damages that might occur from using information obtained here.