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Mystery under-dash plugs... anyone?


This is a discussion on Mystery under-dash plugs... anyone? within the Audio & Electronics forums, part of the 3rd Gen : 2002 - 2008 category!
Egad. Imgur 101. Thanks man....


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Old 12-03-2016, 08:08 PM   #11 (permalink)
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Egad. Imgur 101. Thanks man.


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Old 12-04-2016, 12:51 AM   #12 (permalink)
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BUmp.. now that the pics are here anyone got any clues? Any of you guys have the same plugs on your 3rd gens?
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Old 12-05-2016, 12:10 AM   #13 (permalink)
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Would anyone with a 3rd gen mind taking a look under their dash to see if you have plugs list these?
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Old 12-05-2016, 05:02 PM   #14 (permalink)
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The first plug looks like an OBD II port:

https://www.youtube.com/watch?v=LTXQDFhsKcc

The second plug on the e-brake looks like a brake controller plug for a trailer, but i'm not sure.
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Old 12-05-2016, 10:02 PM   #15 (permalink)
 
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I don't believe that's the obd2 port or the brake controller plug. I only see one or two wires coming out of the plug in the 2nd pic, and a brake controller plug has more wires than that. Also should be a different color and I don't believe it uses the red lock either.

If I remember I'll look at mine tomorrow and see if I can find them. The first one though doesn't look factory to me. 2nd one almost looks like the plug for an ebrake switch or something.
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Old 12-05-2016, 11:12 PM   #16 (permalink)
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The small loom witht eh green, red, blue wires goes to an ignition disabling device. Let me get a shot of that connector without the cover on it. I had someone else suggest that it might be for trailer brakes.
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Old 12-05-2016, 11:15 PM   #17 (permalink)
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Ahh no, not brake controller plug.

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Old 12-08-2016, 09:19 AM   #18 (permalink)
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Ok so tonight after adding some LED's to teh ashtray and cup holder area by accident I discovered that the connector that's plugged nearest the center console has something to do with the comms bus. Unplugged and starting the truck teh odometer area displayed 'no bus'.
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