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08-12-2021, 09:10 AM
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#1
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Name: RockinRam96
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Shortsville, NY
Member`s Gallery
Posts: 2,699
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Chevy Wiring Trailer Issue
Hey guys.
My father owns a 2015 Chevy 3500. He pulls a gooseneck horse trailer daily with the truck. Since he bought it he and an intermittent notification pop up that says “Check trailer wiring” but all lights and brakes are still operating correctly.
Problem seem to get worse and worse. Only seems to happen at highway speeds. Had some ABS work done recently and had the plug changed out. The problem still persist.
Any ideas? Way to fix?
TIA
IMG_7812.jpg
IMG_7813.jpg
Sent from my iPhone using Tapatalk
__________________
05 Jeep Liberty CRD
11 Dodge
1986 Freightliner Cat 425
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08-12-2021, 07:41 PM
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#2
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Name: Tobin
Title: 5.7 IDI Powaa!
Status:
Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,506
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What kind of trailer plug? I got tired of the replacement 7 way plugs that cause all sorts of issues and got a nice molded pigtail off amazon. It has eliminated those similar issues in my Ford.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-12-2021, 08:22 PM
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#3
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Name: RockinRam96
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Shortsville, NY
Member`s Gallery
Posts: 2,699
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Quote:
Originally Posted by Tobin
What kind of trailer plug? I got tired of the replacement 7 way plugs that cause all sorts of issues and got a nice molded pigtail off amazon. It has eliminated those similar issues in my Ford.
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I do believe it was a GM OEM replacement.
Sent from my iPhone using Tapatalk
__________________
05 Jeep Liberty CRD
11 Dodge
1986 Freightliner Cat 425
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08-13-2021, 11:47 AM
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#4
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Name: sootie
Title: .....like a BAWSS
Status: Not Here
Join Date: Jan 2013
Member`s Gallery
Posts: 866
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it will be in the trailer, not the truck.
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08-13-2021, 11:51 AM
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#5
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Name: RockinRam96
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Shortsville, NY
Member`s Gallery
Posts: 2,699
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Quote:
Originally Posted by sootie
it will be in the trailer, not the truck.
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Doesn’t seem to be a trailer issue. Does it with both of our trailers.
The trailer he is pulling daily, was bought brand new this season. Has done it from day 1. Lights don’t flicker. Brakes have always worked.
Sent from my iPhone using Tapatalk
__________________
05 Jeep Liberty CRD
11 Dodge
1986 Freightliner Cat 425
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08-13-2021, 02:03 PM
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#6
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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I'd rig up a dedicated ground from the truck frame to trailer frame as test, bet it goes away.
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08-13-2021, 02:41 PM
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#7
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Name: smokinVE
Title: $$+VE=NO HP
Status: Not Here
Join Date: Aug 2011
Location: Desart
Member`s Gallery
Posts: 1,731
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Out of the 100 of these complaints I’ve dealt with after GM decided it would be a great idea to test customers trailer wiring I’ve only had one that was on the trucks side. Check the ground on the trailer side, after you check it check it again, after that make sure you checked it twice and check it once more. I’d say 90% of any time I’ve had to deal with this it’s the trailers ground. Adding a second ground from the frame of the trailer to the body or deck of the trailer is a glorious idea.
Typically that the problem. Lights are grounded to the body or deck via screws and the resistance is just enough between that and the frame ground that the controller will think a light is out and display the message.
Or it could be just a worn out plug. Dielectric Lubricant on the pins help.
__________________
93D350, VE powered, slow but reliable:-))
Quote:
Originally Posted by jasonc
I don't think they let hair sniffer twit much. Or the little gay guy. Only the Indian does.
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08-14-2021, 07:52 AM
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#8
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Name: 1320Cummins
Title: 2G Collector
Status: Not Here
Join Date: Feb 2009
Location: Houston TX
Member`s Gallery
Posts: 330
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I had a 2015 2500 that occasionally would get pretty chatty about the trailer thing.
Trailer or no trailer!!!!
__________________
01 2500 QC SB 47RE 4X2
02 3500 QC 48RE 4X4
96 2500 CC NV4500 4X4
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08-14-2021, 08:29 AM
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#9
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Name: RockinRam96
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Shortsville, NY
Member`s Gallery
Posts: 2,699
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Quote:
Originally Posted by 1320Cummins
I had a 2015 2500 that occasionally would get pretty chatty about the trailer thing.
Trailer or no trailer!!!!
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Yes his is doing the same thing as well. It will come on without the trailer.
Sent from my iPhone using Tapatalk
__________________
05 Jeep Liberty CRD
11 Dodge
1986 Freightliner Cat 425
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10-12-2021, 05:22 PM
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#10
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Name: RockinRam96
Title: Too Much Time
Status: Not Here
Join Date: Sep 2011
Location: Shortsville, NY
Member`s Gallery
Posts: 2,699
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Problem ended up being magnets in the trailer wheel cylinder.
Sent from my iPhone using Tapatalk
__________________
05 Jeep Liberty CRD
11 Dodge
1986 Freightliner Cat 425
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