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diagnostic port... only one wire?

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Old 03-08-2010, 05:11 PM
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Default diagnostic port... only one wire?

My harness has been been worked over. The diagnostic port only has one wire that goes to the computer (white w/black). The other 3 wires are power and grounds. Does that sound right? I can't believe one wire does all the talking.

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Old 03-08-2010, 05:15 PM
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One wire does all of the talking.
Old 03-08-2010, 08:01 PM
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yep, just a single signal wire!
Old 03-08-2010, 08:38 PM
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Thanks for the info! I was a little concerned that I was missing some important wires.



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