Ok.. my bad... I did this once about a year ago, but failed to document it...

There's a difference (2 I think!) between the C203 on 85's vs the other years.
Does anyone have documentation on this?

I had laid an '85 harness on the ground, right beside an '86. I rang out EVERY damn wire in in the entire harness (both) end to end. As far as I can remember, there was one wire that sat in the same place, but changed color, and there was one in the C203 that moved from roughly the top right of the plug to the bottom left. Other than that, the two were the same.

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87/88 V6 5spd "FormulaGT" Turbo

85 Bright red GT 4spd (with matching 1:18 model!)
86 SE (custom body in progress)

My pages:
http://www.fieroclub.com
http://www.fierohut.com

I just used the info here for both of my cars (85 and 86): http://www.fieroaddiction.com/c203c500.html

Tim

I used the same info for my harness (87) but the locations of the colors were differant, I used the colors instead of location but have not finished yet so no idea if works or not,