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How do i get the error codes from a 95 astro van without a diagnostic tool

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Place a jumper wire between terminals A and B of the diagnostic connector , located just under the steering column,pointing staight out. Turn the key on and after the initial 12 code ( flash ,pause, flash,flash), you can count the flashes to retrieve the error codes. ex. *** ** equals 32. each code will show 3 times . When 12 returns , you have retrieved all the stored codes. Good Luck.

Posted on Feb 17, 2009

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