94 Blazer

By PaulQ
February 25, 2006 in Ask A GM Technician

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PaulQ

Posted February 25, 2006

How do you read the blinking service light to get the code?

GM-Tech

Posted February 25, 2006

It should start out by blinking a code 12. That is, one blink, pause, two blinks. It repeats that three times then goes to the next code (if there is one).

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