2016 2500HD Under rail cargo lamps - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Electrical Discuss anything related to OEM & aftermarket electrical devices including: stereos, speakers, video, batteries, starters, the body control module, lighting, etc.

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Old 03-10-2016, 08:49 PM   #1 (permalink)
stickboy
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2016 2500HD Under rail cargo lamps

One of the features that didn't come on my 2016 2500HD was the LED under bedrail cargo lights. Easy fix--Just order the 2015 2500HD kit (23145347), right? Since there doesn't appear to be any parts lists for the 2016 on the normal "GM parts" websites, I had to guess it would still fit (anyone know of a better parts list with the 2016 model year in it?)

Bzzz....wrong answer. For some reason, the 2015 and previous connector under the bed by the spare tire is an 8 way connector. They changed it to a 6 way connector on the 2016. Anyone know how to order or even identify the actual part number for the connector so I can connect the kit I got to it? Or the 2016 LED bed under rail kit part number and I can return this one.

I found the connector above the spare and checked that I get voltage when I turn the cargo lamp on. It's the White/Violet and black wire in the J491 connector in the GMUpfitter.com diagrams.

Second question is, why on earth did they put the cargo light switch dead center between the two front seats? It was easily accessible right by the door on my 2006, but you have to climb over the seat to turn it on with the 2016. Anyone tapped into the switch line and run wires to the bed so you can wire a weather proof momentary switch to turn it on/off from the bed? It times out after 10 (or so) minutes so I don't care all that much to turn it off. Where is the easiest place to tap into the switch to BCM line?

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2006 2500HD D/A LT3 4x4 CC Stock..Silver Birch Metallic...Traded for
2016 2500HD LML LTZ Z71 4x4 CC Summit White
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Old 03-10-2016, 09:11 PM   #2 (permalink)
stickboy
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Here are pics of the dust cap that was plugged into the connector.

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Old 03-10-2016, 09:19 PM   #3 (permalink)
stickboy
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Plug side
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Old 03-10-2016, 09:44 PM   #4 (permalink)
stickboy
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Lots more searching, the correct kit may be 23295943?
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Old 07-09-2016, 05:12 PM   #5 (permalink)
rwroach
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I am wanting to run some after market LED lights, and to use this plug. Can't find a pigtail for the 2016, or the whole harness without the lights.
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