Question about 1994 Chevrolet S-10 Blazer

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How to read codes on a 1994 Chevy K Blazer without a code reader?

I dont have a code reader. How can I read the codes?

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To get codes you can use a wire to the A and B terminals on the connector
They are on the top row far right. Then turn key to on position and count engine light blinks. I will do code 12 first 3 times over (1blink,pause,2blinks) Then watch for different code blinks. If it keeps flashing code 12 then it's OK.

Posted on Nov 20, 2012

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You can take it to Auto Zone and they will read them for you.

Good luck.

Posted on Jun 22, 2009

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