Above on the menu bar, hover your mouse pointer over "Community" and it will drop down some choices, go to "The Library" and click there. On the new page, go to "Owner Manuals" and select "1989 Comp and Conbrio." This is as far back as anyone can really go as Supra had a fire that destroyed the factory and all the documentation prior to this year. It will work though, I rewired my whole boat using this diagram. It should at least point you in the right direction. Ask any questions that you might encounter. Good luck!
Edit: Page 69 and 70 of the PDF is where you are going to find your electrical schematic I think.
Last edited by Jetlink; 11-30-2011 at 01:55 PM.
Reason: Added content
'86 Comp TS6M - Reborn 2016
Riding a HO Sports CX Ski