View Full Version : need help here please
06-30-2007, 12:59 PM
i have 92 silverado i need check for codes,i have 12 pin conector how do i do this?i dont no where to conect wire thanks zack
06-30-2007, 01:28 PM
06-30-2007, 01:55 PM
thanks i just did test i dont have any codes my light give me code 12 over and over i do have custom chip in truck from tbi chips no codes good?? or i am doing something wrong here ?
06-30-2007, 05:56 PM
no codes are good. code 12 is diagnostic circuit working properly. any problems wih the truck?
07-01-2007, 10:32 PM
well i got one problem my idle goes up and down i think its vacum
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