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Old 05-10-2018, 12:32 PM   #26
Lost81c10
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Join Date: Dec 2011
Location: Bonaire Ga
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Re: 85 C10 "Rob Peter to Pay Paul" 5.3 Swap

Quote:
Originally Posted by Wgesnerjr View Post
Assembly Line Diagnostic Link or ALDL is a proprietary on-board diagnostics system developed by General Motors prior to the standardization of OBD-2.

This is the underdash plug for the OBD system. you will need this.
I see. ok, I do have this ALDL and the 3 or 4 wires that come out of it. I cut these off at the area where they meet the big wiring harness going to the engine. I hope that was ok but if I need the entire length I guess I can find and pull the cut wires at the engine bay side where they come out from the cabin.

I have seen videos for this but I am sure I will have more questions when I come to this point.
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