1979-1993 & 94 Conv [Subscribe to Daily Digest] |
on a 85. The grey/red should have 12V power and the green one is a pulse groundsignal from ECU. The third pin (purple/white and yellow) is to check Check engine light on 86 and up. If you ground that one the Check engine iluminates on the dash.
posted by 66.134.5...
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