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02-21-2016, 06:38 PM
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#1
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Member
Join Date: Feb 2016
Posts: 54
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Tow cable replaced and lost 12v power
Newbie here. Picked up our 26dbh and while turning into our driveway the cable got stuck on something and tore. I just installed a replacement and all of the lights, turn signals work but I don't seem to be getting any 12v power. As I said I am new to this so I apologize if this is a dumb question, but even if the battery is just about dead shouldn't the act of plugging the 7 pin into my car provide me with power to interior lights, power tongue jack, etc?
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02-21-2016, 06:45 PM
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#2
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Between the battery and your unit there should be one of these.
If so press the little black button.
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2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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02-21-2016, 07:00 PM
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#3
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Member
Join Date: Feb 2016
Posts: 54
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I found that and pressed the button and nothing changed.
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02-21-2016, 07:20 PM
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#4
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Did you check the fuse under the hood yet?
Does the plug in have power?
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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02-21-2016, 07:21 PM
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#5
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Member
Join Date: Feb 2016
Posts: 54
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Is this what you are referring to? There are 2 right next to each other and the black wire comes out of the box with the pin wiring and into the one on the right.
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02-21-2016, 07:36 PM
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#6
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Senior Member
Join Date: Jul 2010
Posts: 2,031
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Check your fuses on the main electrical panel. The short could have blown the fuse. They will the the high amp fuses most likely 40 amp.
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Terry and Janet
2008 3001W Windjammer
2007 Ford F150
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02-21-2016, 07:47 PM
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#7
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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Do you have 12 volts at the jack on your truck? I think Chevys are hot all the time and Ford and Dodge are on/off with key.
__________________
Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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02-21-2016, 08:13 PM
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#8
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Senior Member
Join Date: May 2013
Posts: 513
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The Chevy's/GMC I've owned you had to install the 40 amp fuse in the EPC under the hood. GM puts a dummy plug in the slot for the 12vdc to trailer. Two of the trucks I had to connect a wire to the EPC stud that was taped to the existing wire harness....
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02-21-2016, 08:17 PM
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#9
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Carknocker Family
Join Date: Mar 2013
Location: Arkansas
Posts: 690
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Check the fuses on your tow vehicle.
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02-22-2016, 05:38 PM
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#10
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Senior Member
Join Date: Oct 2006
Location: California
Posts: 142
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Quote:
Originally Posted by mfMcFroggierPod
The Chevy's/GMC I've owned you had to install the 40 amp fuse in the EPC under the hood. GM puts a dummy plug in the slot for the 12vdc to trailer. Two of the trucks I had to connect a wire to the EPC stud that was taped to the existing wire harness....
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What does EPC mean? Also, where is the slot with the dummy plug?
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02-22-2016, 05:42 PM
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#11
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Site Team
Join Date: Oct 2014
Posts: 15,266
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Check your manual and look for trailer 12V aux power. If you had power before the incident, there will be a fuse ( possible blown) If you are not sure, there could be a plug where the fuse needs to go. Also note that trailer lights are on separate fuses from the TV if you ever have running light issues.
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TV 2015 Silverado HD2500 Duramax
TST Tire Monitors
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02-22-2016, 06:02 PM
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#12
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Senior Member
Join Date: Oct 2011
Location: Fort Worth
Posts: 664
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Not sure what vehicle you have since its not in your profile, but here is some info from ETrailer.com regarding brake control and trailer power for a 2009 chevy pu. The important info is at the 2:25 mark.
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02-22-2016, 06:24 PM
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#13
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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I didn't see an answer if you have 12 volts at the 7 pin receptacle on your bumper. If you have 12 v there the problem is in the trailer; no 12v, the 40 amp fuse in the black box next to your truck battery is probably blown
__________________
Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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02-22-2016, 07:08 PM
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#14
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Senior Member
Join Date: Nov 2012
Location: West St. Paul, Manitoba
Posts: 886
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Quote:
Originally Posted by spudston
What does EPC mean? Also, where is the slot with the dummy plug?
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EPC = electrical power center
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Of all the things I've lost in my life the thing I miss the most is my mind!
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02-22-2016, 11:06 PM
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#15
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Senior Member
Join Date: May 2013
Posts: 513
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EPC=Electrical Power Center
Located under hood above LF wheel.
Black Fuse/Relay box.
Dummy plug is located towards front of EPC. Reference owners manual for exact location.
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02-23-2016, 04:24 PM
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#16
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Member
Join Date: Feb 2016
Posts: 54
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Sorry for such a late response...busy start to the week! I just pulled the fuse in my tv and sure enough it's blown. I will replace tonight and see if that's what did it.
My guess is when the cable got caught it blew the fuse in my truck.
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02-23-2016, 05:18 PM
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#17
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Quote:
Originally Posted by Tngahan
Sorry for such a late response...busy start to the week! I just pulled the fuse in my tv and sure enough it's blown. I will replace tonight and see if that's what did it.
My guess is when the cable got caught it blew the fuse in my truck.
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Please let us know if that's what it was....
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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02-23-2016, 07:18 PM
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#18
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Member
Join Date: Feb 2016
Posts: 54
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That was it! I have power again. Thanks everyone for the suggestions...this forum is great!
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02-23-2016, 07:30 PM
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#19
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,501
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Quote:
Originally Posted by Tngahan
That was it! I have power again. Thanks everyone for the suggestions...this forum is great!
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Thanks for reporting your solution from the forum members. We like solutions!
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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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02-23-2016, 09:37 PM
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#20
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Senior Member
Join Date: Nov 2015
Posts: 4,223
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Quote:
Originally Posted by Ford Idaho
Between the battery and your unit there should be one of these.
If so press the little black button.
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Don't remember seeing one of these. Where is it?
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