Good Sam Club Open Roads Forum: Travel Trailers: Running Lights Stay ON
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 > Running Lights Stay ON

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gocamping14

vermont

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Posted: 04/11/21 07:04pm Link  |  Quote  |  Print  |  Notify Moderator

2019 Rockwood Mini-Lite. camper parked, not hooked to vehicle. plugged into shore power. rear running light on ? must be a short. suggestions are to check plug on trailer for moisture or corrosion. any other suggestions for a short, thanks in advance.............ss

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The Western States

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Posted: 04/11/21 07:23pm Link  |  Quote  |  Print  |  Notify Moderator

Are the lights on w/o shore power?

I'd check the charge wire for a connection to the lights. Take the plug apart and check there first. The charge line should have a fuse, pull it and see if there is any change.


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Posted: 04/11/21 09:20pm Link  |  Quote  |  Print  |  Notify Moderator

I had a TT that ended up with a shorted wire somewhere in the ceiling. One of the running light wires ended up shorting on a ceiling light wire. When it got hot out it would short to the power wire and turn in the running lights. When it cooled down they would turn off. I cut the wire running to the ceiling light an d ran a new wire.


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Grit dog

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Posted: 04/12/21 09:29am Link  |  Quote  |  Print  |  Notify Moderator

Better description of the issue needed to help you trace the issue down, if you intend on fixing it yourself.

Only on shore power?
Only "1" light?
Only rear lights?
As bright as when they are plugged into TV and turned on?
How many volts to the offending lights when they are not supposed to be on?
Etc


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Lwiddis

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Posted: 04/12/21 04:48pm Link  |  Quote  |  Print  |  Notify Moderator

I had this issue years ago. Difficult to fix.


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mr_andyj

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Posted: 04/12/21 08:04pm Link  |  Quote  |  Print  |  Notify Moderator

Shorted wires are possible to run down and find the problem.
This can take anywhere from a few minutes to years.

Best to just give up to start with and run new wiring, but some investigative work, answer some above questions, will help limit where you need new wire.

Make sure to figure out what is powering the lights to start with. Always on from the battery, always on from the charger, on with interior lights...?

carringb

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Posted: 04/12/21 08:21pm Link  |  Quote  |  Print  |  Notify Moderator

Is it ALL running lights? If yes, check for a stray wire strand in the 7-way connector.

If it’s only the rears, they probably got hooked up to the battery charge circuit.


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JRscooby

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Posted: 04/13/21 04:18am Link  |  Quote  |  Print  |  Notify Moderator

First thing I would check, just because it is easy, are all the switches for compartment lights off? In some trailers I have seen marker/id lights used to indicate you left a light on

gocamping14

vermont

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Posted: 04/13/21 10:59am Link  |  Quote  |  Print  |  Notify Moderator

thanks for all the reply's and suggestions. problem was the trailer plug, which I had wrapped in a plastic bag for the winter. moisture accumulated in the bag and 2 or 3 terminals were wet and rusted. the power was shorting across the terminals, thus turning on rear running light on......cleaned up and covered with dielectric grease...........

dodge guy

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Posted: 04/13/21 12:10pm Link  |  Quote  |  Print  |  Notify Moderator

gocamping14 wrote:

thanks for all the reply's and suggestions. problem was the trailer plug, which I had wrapped in a plastic bag for the winter. moisture accumulated in the bag and 2 or 3 terminals were wet and rusted. the power was shorting across the terminals, thus turning on rear running light on......cleaned up and covered with dielectric grease...........


That’s an easy find and repair. I always left it open but tucked into the cover I put over the power Jack!

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