C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Pull codes of 1985 with paperclip

Old 11-21-2010, 06:36 PM
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85VetteTerreHaute
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Default Pull codes of 1985 with paperclip

Can someone tell me which ports to put the paper clip in to pull the codes to find out why the check engine light is on. Thinking its the throatel body switch but not sure yet.
Old 11-21-2010, 09:11 PM
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C409
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.......... A & B .... should be in the upper right hand corner as you look at the ALDL .................
Old 11-21-2010, 09:18 PM
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vetteoz
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Read
http://www.corvettebuyers.com/c4vettes/codes.htm


Old 11-21-2010, 10:49 PM
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85VetteTerreHaute
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Originally Posted by vetteoz
Thank you... I hadnt used a paper clip since Iwas in high school 10 years ago. Couldnt find a diagram anywhere and didnt see any makings.... Thx again

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