Question about 1994 GMC Sonoma

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Where is the *** port on this truck - 1994 GMC Sonoma

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  • wmstalk Aug 25, 2010

    HI, what port are you looking for and what engine is in your truck? thanks

  • letshavefun9 Aug 25, 2010

    the obd port everyone keeps saying it is right under the steering colunm I can't find it. The Gm garage says it is about a foot from the fuse box,all that is there is nothingness.
    I went to buy a Obd 1 tool cause everyone said that was what i needed but none of the plugs on the truck would match up to the tool
    Oh yah it is a 4.3 / 4 wheel extended /auto

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Ok, in 1994 the connector was called an ALDL connector it doesnt look like an OBD 1 or OBD 2 system connector. It should be have two screws securing it to the bottom of the dash, but it has been my experince that most times they are never put back in their proper place after work has been under the dash so reach up under and feel around. The connector you are looking for will be about 1.5 inches long and 3/8 inches wide it will have two rows of 6 openings. Hope this helps good luck on your hunt.

Posted on Aug 25, 2010

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Posted on Jan 02, 2017

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