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Grrrr
I think my truck has a OBDII-style plug, but uses OBD1 computer and info.
After reading through my Haynes repair manual, and checking out an S10 forum, I have come to the following conclusion:
The '93 and earlier have an ALDL connection. The 94 & 95 have the OBDII style connection, but don't actually HAVE OBDII, and the '96 and newer have OBDII.
It appears that the only way that I can read the Check Engine Light code is with a special reader that will do both ODB & OBDII. The local auto parts store's readers don't do that.
Grrr. - Very frustrating.
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