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07-26-2011, 09:11 AM
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#1
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Trailer wiring fault
When the power cord is NOT connected to the truck I will get "trailer wiring fault" on the truck readout.When the [power cord IS connected to the truck all is normal.Everything works..no trouble fault.
At times I get the fault when I start up the truck I can ALWAYS get the fault by tapping the brake.
My guess is that we have a bad or no ground in the truck wiring and it is picking up a ground from the trailer.
It is a rats nest of wiring under the truck.
Any ideas or thoughts???
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07-26-2011, 09:19 AM
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#2
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Montana Master
Join Date: Feb 2003
Location: Belvidere
Posts: 1,834
M.O.C. #185
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I re-read your post and now understand. I had a recent problem with an interment type problem and it was loose wire on the brake magnet.
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07-26-2011, 09:59 AM
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#3
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Montana Master
Join Date: Jan 2004
Location: Machesney Park
Posts: 534
M.O.C. #798
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Rich,
I had the same problem on my 08, it was the plug that plugs in the lower rear receptical at the bumper, it had water in it. They had it tied up wrong, water would get in but couldnt run out. I pulled it apart, blew the water out, sprayed it with ignition dry, turned it over and tied it back up. No more problems.
Bill
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07-26-2011, 10:25 AM
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#4
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Montana Master
Join Date: Nov 2009
Location: Wampum
Posts: 571
M.O.C. #9928
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Rich, I also recently had this exact issue. And I got the fault message when I used the right turn signal, but not the left. William is dead on correct. When I disassembled my receptacle under the bumper water fell out. I blew it out good and added waterproof grease to fill any gaps. So far it's been fine. Good luck, and let us know how you make out.
KT
__________________
"What happens at camp stays at camp"
2018 3121RL
2016 Ford F350 SB SRW
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07-26-2011, 10:37 AM
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#5
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Quote:
quote:Originally posted by Slufoot733
Rich, I also recently had this exact issue. And I got the fault message when I used the right turn signal, but not the left. William is dead on correct. When I disassembled my receptacle under the bumper water fell out. I blew it out good and added waterproof grease to fill any gaps. So far it's been fine. Good luck, and let us know how you make out.
KT
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OK...I will pull that receptacle apart and check it out...
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07-27-2011, 03:37 AM
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#6
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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If it has not happened to a MOC'er , It has not happened.. Thanks guys.. I cleaned that receptacle and the other two under there and all is well.
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07-27-2011, 05:48 AM
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#7
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Montana Master
Join Date: Dec 2003
Location: Colorado Springs
Posts: 578
M.O.C. #718
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I had this and dryed it out and made a cover seal with liquid tape in the lid let it dry, no problem now
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07-27-2011, 03:12 PM
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#9
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,547
M.O.C. #2283
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Thanks everboby, something for me to keep in mind.
Lynwood
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07-28-2011, 03:55 AM
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#10
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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i was aware on that TSB... I am taking it into Ford next week to have it checked out. My fix may be temporary. remember I get this fault without the Montana being hooked up.
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