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Article #10931Re: GM diagnostic harness
From: michael dale townsend
Date: Thu, 08 Oct 1992 17:47
Date: Thu, 08 Oct 1992 17:47
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mark@wdcwdc.sps.mot.com (Mark Shaw) writes: >. . . . . You can do the same thing with a piece of wire and >the factory (Helm) shop manual. On my GM cars I just short the >two appropriate pins together and the "CHECK ENGINE" light flashes >the error code number. >Mark Do the shop manuals tell which pins are the "appropriate" pins? Also, my 1977 Pontiac Grand Safari has a couple of suspicious looking wire harnesses under the hood. (One is near the air-conditioner btw.) I didn't know that they had the diagnostic computers in cars back then. Does anyone have any info or ways to get info on this? I'd like to capitalize on this if possible. Michael Townsend michaet@hubcap.clemson.edu
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Newsgroups: sci.electronics,rec.autos.tech Path: arc1-ca.pugleaf.net!sparky!uunet!destroyer!gatech!hubcap!michaet From: michaet@hubcap.clemson.edu (michael dale townsend) Subject: Re: GM diagnostic harness Message-ID: <1992Oct8.174745.23885@hubcap.clemson.edu> Organization: Clemson University References: <1992Sep24.134143.23375@ll.mit.edu> <Bvrppv.GGC@medar.com> <1992Oct8.152853.1690@newsgate.sps.mot.com> Date: Thu, 8 Oct 1992 17:47:45 GMT Lines: 16