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12-01-2016, 08:27 PM
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#1
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Junior Member
Join Date: Dec 2014
Location: Maine/ Florida
Posts: 15
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Ding Ding Ding
My 2015 Chevy 2500HD has intrical trailer brake and toe package. Just started going from "Trailer Connected" to ding ding ding "Check Trailer Wiring" then back to "Connected" then ding ding ding ding "Check". All lights and braked seem to work fine with no blinking. Could this be a ground???
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12-01-2016, 08:48 PM
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#2
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Member
Join Date: Oct 2016
Posts: 52
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Clean ALL your connections on both sides of the plug. Look for discoloration and pitting.
If the harness was installed aftermarket check the connections they used.
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12-01-2016, 09:12 PM
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#3
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Ret E-9 Anchor-clanker
Join Date: Jul 2012
Location: Genoa, ILL
Posts: 1,476
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Their is a 40amp fuse-relay (I found mine up in the kingpost area) that allows 12v DC from the battery to the RV when not connected to shore power. This little bugger could be your problem. Check if 12v lights are working during this condition (I.E. control panel lights or your freshwater pump operation).
__________________
Don & Dona W/yorkies Gizmo, Master Chief, & Tali
2011 Flagstaff 8528 BHSS 2015 Ford 6.7 XLT
2010 Full Timers & Still Going
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12-01-2016, 09:40 PM
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#4
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Site Team
Join Date: Oct 2014
Posts: 15,294
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Clean the connections in your Bargman connector. Also check the brake wires near the trailer axle. FR uses wire nuts to make the connections. They do not do well with vibration and water.
__________________
2015 Freedom Express 248RBS
TV 2015 Silverado HD2500 Duramax
TST Tire Monitors
Honda 2000I + Companion
2 100W solar panels
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12-13-2016, 10:34 PM
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#5
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Member
Join Date: Jan 2015
Posts: 78
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My 2015 Silverado has the same problem but only when towing the boat. No problem with our Salem. Tried extra ground but didn't eliminate issue. Would be nice if Chevy offered an option to acknowledge/silence alarm.
__________________
2016 Salem Hemisphere 302FK Showstopper
2017 Silverado 2500HD Duramax, LTZ, crew cab, Z71, 20" tires, TST 507 tire pressure monitor
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12-14-2016, 12:21 AM
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#6
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Senior Member
Join Date: Jun 2009
Location: SW Oklahoma
Posts: 263
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I had a similar experience with my Ford. While going down the road I would get a TRAILER DISCONNECTED and then TRAILER CONNECTED. Could not point to any one specific thing that caused it but eventually solved it. Had a loose connection where the trailer plugged into the truck bed. I had an aftermarket receptacle installed in truck bed. One of the wires was loose on the terminal.
John
__________________
2014 Dynamax Trilogy 3850RL - South Hampton Interior, Full Body Paint (Black / Silver / White), MOR/ryde Independent Suspension, MOR/ryde Disc Brakes, ONAN 5500 Generator, Progressive Industries HW50C w/Dual Display, Winegard HD Dish w/DirecTV, Washer & Dryer, iSprings 7-stage Reverse Osmosis Water Filter, Trail-Air Flex Air Pin Box, Third AC installed, AC Voltage/Amp Meters, DC Amp Meter, Garnett See Level Tank Sensors, TST 507 TPMS
Retired USAF - Full Timers! 
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12-14-2016, 02:45 AM
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#7
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Senior Member
Join Date: Oct 2015
Posts: 2,270
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Check all the brake wiring connections as others have said, and the connectors.
Also make sure the ignition in the HD is off before plugging in or pulling the 7 way. The Chevy does not like it when you do that. If you plug the trailer in while the truck is running and the brake controller go's ape, you might need to disconnect the 7 way connector, and then possibly the trucks battery for a few seconds to reset everything.
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12-14-2016, 08:13 AM
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#8
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Junior Member
Join Date: Dec 2014
Location: Maine/ Florida
Posts: 15
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Thanks
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12-14-2016, 08:38 AM
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#9
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,562
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I had a similar problem which we traced to the factory connection where an in-bed cord attached to the harness that leads to the bumper-mounted plug. That connection was taped up in a strange and tight manner such that it caused a barely touching connection. I loosened the tape which allowed the connection to remain solid.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69 |
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