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08-12-2017, 06:52 AM
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#1
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Junior Member
Join Date: Jun 2017
Posts: 13
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No running lights....
Hi all
I have a 2018 Mini Lite 2509S been out 1 time and on my second time hooking it up I lost my running lights. I jumped the #3 and #4 trailer pin with a 10 amp fuse and it blows almost instantly. My brake lights and turn signals work. I opened the junction box under the trailer and I dont see any obvious issues. Anyone have any tips? Anyone have success using one of those short circuit detectors? Trying to tackle this issue myself so I dont lose time leaving my trailer at the shop for the rest of the season.
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08-12-2017, 08:52 AM
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#2
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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You have a pretty good short somewhere. Go around the RV and remove the bulbs from the sockets and try the fuse trick again. If it still blows, you may want to unhook the wires from the fixtures until you find the bad one. It's not too uncommon for the fixtures to become shorted internally. If that fails to find the problem, you may have a wire shorted where it runs across a frame member. That's not uncommon either.
I have an industrial 'fox and hound' (circuit tracer) and it does a pretty good job of locating live wires and shorts. I'm not sure which short circuit detector you're considering.
__________________
Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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08-12-2017, 09:02 AM
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#3
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Senior Member
Join Date: May 2017
Posts: 5,712
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Quote:
Originally Posted by Live4thedai
Hi all
I have a 2018 Mini Lite 2509S been out 1 time and on my second time hooking it up I lost my running lights. I jumped the #3 and #4 trailer pin with a 10 amp fuse and it blows almost instantly. My brake lights and turn signals work. I opened the junction box under the trailer and I dont see any obvious issues. Anyone have any tips? Anyone have success using one of those short circuit detectors? Trying to tackle this issue myself so I dont lose time leaving my trailer at the shop for the rest of the season.
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You jumpered the pins at the Tow Vehicle ?? If it blows the fuse there at your vehicle plug, your short would be in the vehicle wiring and not the Trailer.
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08-12-2017, 09:11 AM
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#4
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by Live4thedai
Hi all
I have a 2018 Mini Lite 2509S been out 1 time and on my second time hooking it up I lost my running lights. I jumped the #3 and #4 trailer pin with a 10 amp fuse and it blows almost instantly. My brake lights and turn signals work. I opened the junction box under the trailer and I dont see any obvious issues. Anyone have any tips? Anyone have success using one of those short circuit detectors? Trying to tackle this issue myself so I dont lose time leaving my trailer at the shop for the rest of the season.
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Not sure why you are jumpering with a fuse. A fuse is basically a piece of wire and if you don't have a load with it (like a light bulb), you are causing a direct short, so of course the fuse would blow. Also, you should be going from pin #3 to ground, using either a light bulb or a volt meter, not to pin #4 (pin #4 is +12VDC directly from your TV's battery bus). See pic below.
Note that "ground" is either pin #1 or the frame of the TV.
__________________
1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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08-12-2017, 09:22 AM
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#5
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Senior Member
Join Date: May 2017
Posts: 5,712
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Quote:
Originally Posted by rockfordroo
Not sure why you are jumpering with a fuse. A fuse is basically a piece of wire and if you don't have a load with it (like a light bulb), you are causing a direct short, so of course the fuse would blow. Also, you should be going from pin #3 to ground, using either a light bulb or a volt meter, not to pin #4 (pin #4 is +12VDC directly from your TV's battery bus). See pic below.
Note that "ground" is either pin #1 or the frame of the TV.
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Duh !! I didn't even catch that...not enough coffee yet. Yep ! Fuse would short out the pins. Pin to Ground...same as a test light.
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08-12-2017, 09:38 AM
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#6
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Senior Member
Join Date: Aug 2016
Location: Surrey BC
Posts: 399
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Have you got one of these?
__________________
2011 Nissan Xterra V6
2016 Rockwood MiniLite 2306
Nights Camped 2016 [24]
Nights Camped 2017 [63]
Nights Camped 2018 [27]
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08-12-2017, 10:29 AM
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#7
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Junior Member
Join Date: Jun 2017
Posts: 13
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The fuse is blowing on the Trailers side.
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08-12-2017, 11:06 AM
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#8
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by Live4thedai
The fuse is blowing on the Trailers side.
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I'm not aware of any trailer that uses fuses for the trailers running lights on "the trailer side." The fuses that protect the trailers running lights are actually on your tow vehicle, usually in the under-hood fuse block. What make/model/year is your tow vehicle?
__________________
1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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08-12-2017, 11:54 AM
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#9
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Junior Member
Join Date: Jun 2017
Posts: 13
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What I meant was that I jumped the trailer side connector with a 10 amp fuse and it blew. I have since verified that the trailer connector wiring up to the junction box is good. I have isolated the problem area to the rear of the trailer.
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08-12-2017, 12:24 PM
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#10
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2007 WildCat 32QBBS
Join Date: Jul 2011
Location: NJ
Posts: 2,349
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This is what he is doing (but w/10a) and it keeps blowing. He has it narrowed down to somewhere aft the junction block. Possibly wire chafe somewhere.
__________________
*Current: 2005 Ford F350 Crew Cab Dually 6.0 diesel 4x4*
*Retired: 1987 F350 Crew Cab Dually 6.9 turbo diesel
2007 Forest River WildCat 32QBBS
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08-12-2017, 01:27 PM
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#11
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Junior Member
Join Date: Jun 2017
Posts: 13
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The rear passenger side lower marker light wiring passes back over to the drivers side marker light. Somewhere in there lies the issue. I ran 2 new wires instead of tearing apart the underbelly and the insulation at this time. Might be a winter project. Phew
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08-12-2017, 03:02 PM
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#12
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by 05CrewDually
This is what he is doing (but w/10a) and it keeps blowing. He has it narrowed down to somewhere aft the junction block. Possibly wire chafe somewhere.
Attachment 147991
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Got it. If he'd said he put the fuse on the trailer side in order to light the running lights from the TT battery, I think we all would have understood.
__________________
1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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08-13-2017, 01:17 AM
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#13
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Senior Member
Join Date: Aug 2016
Location: Surrey BC
Posts: 399
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I see this in your future
__________________
2011 Nissan Xterra V6
2016 Rockwood MiniLite 2306
Nights Camped 2016 [24]
Nights Camped 2017 [63]
Nights Camped 2018 [27]
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08-13-2017, 04:51 AM
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#14
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Senior Member
Join Date: Sep 2012
Location: Virginia
Posts: 9,678
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Go back to your tail lights and pull the bulbs first. I have had a bad tail light bulb cause a dead short for the running lights. Also check the tail light wiring.
Good Luck!!
__________________
2005 Dodge 3500 Cummins
2017 Wildwood Lodge 4092 BFL
1966 Mustang GT
1986 Mustang SVO
Lillie Spoiled Rotten Boxer Mix
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08-13-2017, 06:39 AM
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#15
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Junior Member
Join Date: Jun 2017
Posts: 13
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Quote:
Originally Posted by Nurek
I see this in your future
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What does this have to do with wiring running a across the frame rail that was rubbing on a screw?
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08-13-2017, 06:41 AM
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#16
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Junior Member
Join Date: Jun 2017
Posts: 13
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Quote:
Originally Posted by Oaklevel
Go back to your tail lights and pull the bulbs first. I have had a bad tail light bulb cause a dead short for the running lights. Also check the tail light wiring.
Good Luck!!
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If you read back a few, I fixed the issue. I actually went back out and opened the bathtub access panel and found that a screw was rubbing on the wire.
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08-13-2017, 08:54 AM
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#17
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by Live4thedai
If you read back a few, I fixed the issue. I actually went back out and opened the bathtub access panel and found that a screw was rubbing on the wire.
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I'm surprised your TV's fuse didn't blow. That screw must have very recently rubbed through OR you've never driven with your clearance lights on.
__________________
1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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08-13-2017, 07:25 PM
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#18
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Junior Member
Join Date: Jun 2017
Posts: 13
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Yeah Ive only owned it for 2 months this was our second trip out.
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08-13-2017, 07:44 PM
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#19
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Member
Join Date: May 2017
Location: Buchanan, GA
Posts: 30
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Did you install a backing/observation camera? Mine is wired into the clearance lights in the back of my TT. Might have a dead short back there.
__________________
Jim & Ann
Never drive faster than your angel can fly.
Fur babies are Coco & Myrra
F.R.O.G. Member GA-0070-815
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08-13-2017, 08:09 PM
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#20
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Junior Member
Join Date: Jun 2017
Posts: 13
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Quote:
Originally Posted by JimBob12345
Did you install a backing/observation camera? Mine is wired into the clearance lights in the back of my TT. Might have a dead short back there.
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Yeah that was my first thought. I pulled that out and checked it along with the three wires first.
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