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Old 06-12-2019, 09:08 PM   #1
TXBRASS
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Default What are these wires on my 2018 Chevy 2500

Added a ranchhand rear bumper and want to wire some accessory running and tail lights on the bumper. I know I could tie in to existing, but while under the truck I found this cluster just sitting there. The thicker ones look like power, but does anyone know if the others are lighting???




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Old 06-12-2019, 09:11 PM   #2
jlinville
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Green, brown, yellow & white look like trailer light wiring.
Does it have a7 pin plug?
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Old 06-12-2019, 09:13 PM   #3
RJK70
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5th wheel prep?


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Old 06-12-2019, 09:13 PM   #4
CabezaBlanca
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Gooseneck trailer plug wiring.
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Old 06-12-2019, 09:14 PM   #5
TXBRASS
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Quote:
Originally Posted by CabezaBlanca View Post
Gooseneck trailer plug wiring.


I should be able to wire into it for lights then right?


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Old 06-12-2019, 09:51 PM   #6
Pstraw
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Put a test light on them to check.
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Old 06-12-2019, 10:19 PM   #7
tex4k
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Looks like my dad got under there to hook up trailer lights, he never was much on them new fangled plug ins and such!
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Old 06-13-2019, 05:52 AM   #8
coker737
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Wiring for EB Enterprises - Flux Capacitor
Part # 121G Line: EB

Product Information
Gigawatts: : 1.21
Material Compatibility: : Plutonium
Working Speed (mph): : 88 mph
Maximum Power: : 1.21 Gigawatts

• Detailed Description
Time Travel at your own RISK!!!
•Plutonium is required to properly operate Flux Capacitor. •Plutonium is used by the on-board nuclear reactor which then powers the Flux Capacitor to provide the needed 1.21 Gigawatts of Electrical Power.
•Plutonium not Available at O'Reilly Auto Parts. Please contact your local supplier.

•Flux Capacitor requires the stainless steel body of the 81-83 DeLorean DMC-12, V6 2.9L , to properly function. •Once the time machine travels at 88 mph (142 km/h), light coming from the flux capacitor pulses faster until it becomes a steady stream of light. Then, time travel begins.

•Upgrade Kits available: Part # 121GMF
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Old 06-13-2019, 05:58 AM   #9
BURTONboy
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Quote:
Originally Posted by coker737 View Post
Wiring for EB Enterprises - Flux Capacitor
Part # 121G Line: EB

Product Information
Gigawatts: : 1.21
Material Compatibility: : Plutonium
Working Speed (mph): : 88 mph
Maximum Power: : 1.21 Gigawatts

• Detailed Description
Time Travel at your own RISK!!!
•Plutonium is required to properly operate Flux Capacitor. •Plutonium is used by the on-board nuclear reactor which then powers the Flux Capacitor to provide the needed 1.21 Gigawatts of Electrical Power.
•Plutonium not Available at O'Reilly Auto Parts. Please contact your local supplier.

•Flux Capacitor requires the stainless steel body of the 81-83 DeLorean DMC-12, V6 2.9L , to properly function. •Once the time machine travels at 88 mph (142 km/h), light coming from the flux capacitor pulses faster until it becomes a steady stream of light. Then, time travel begins.

•Upgrade Kits available: Part # 121GMF


Bored much?!

As for the wires, I tend to agree with it could be for trailer wiring. As mentioned put a test light on them and see what does what.


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Old 06-13-2019, 06:29 AM   #10
WItoTX
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Trailer lights. Look at what wires run to your current 8 pin plug, can probably match the colors up just as easily.
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Old 06-13-2019, 06:33 AM   #11
Pushbutton2
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To answer your question.
I have no idea.

My guess is they are for trailer.

I use this guide when working on trailer wiring.

Like others had suggested use a test light to verify.

https://www.etrailer.com/faq-wiring.aspx
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Old 06-13-2019, 07:00 AM   #12
Buckwheat
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Trailer lights and brakes.


“There's more fun in hunting with the handicap of the bow than there is in hunting with the sureness of the gun.” -Fred Bear-
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Old 06-13-2019, 07:04 AM   #13
RattlesnakeDan
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They are for a trailer.
The White is Ground
Blue is Trailer Brakes (power)
Black is 12v constant (charges battery in camper etc..)
Green is right turn
Yellow is left turn
Brown is tail lights
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Old 06-13-2019, 07:07 AM   #14
RattlesnakeDan
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Except I actually looked at the picture. lol
You have 2 whites, and no black, small one is probably ground and big may be power 12v..use a test light on that.
If there is a red it is for accessory or backup lights.
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