Serious question on trailer brake lights. - Fiberglass RV


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Old 08-10-2013, 02:03 PM   #1
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Serious question on trailer brake lights.

Just bought my scamp 16 foot 2005 used and drove it home yesterday. It's great! The problem is when I got it home and hooked it up this morning the trailer lights brakes suddenly didn't work. Any ideas why? When I left yesterday I connected them up and they worked fine. I've tried disconnecting from the car attachment and reconnecting to make sure it's salads and that didn't work. The light on the installed brake light inside the car for the trailer works fine and gives me the difference speeds of 10 15 or 20. Still no lights in the back break or emergency or left right turn. Inside lights work in trailer work. Any suggestions? Back to hitch installer? All wiring seems good into the wheels. Only thing that happened was driving back on the interstate the right tire on the trailer had explosion of the tire and I had to put the spare on. Appreciate suggestions. Courageous Indiana woman getting ready for a Six week road trip.
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Old 08-10-2013, 02:29 PM   #2
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Originally Posted by Infogypsy View Post
Just bought my scamp 16 foot 2005 used and drove it home yesterday. It's great! The problem is when I got it home and hooked it up this morning the trailer lights brakes suddenly didn't work. Any ideas why? When I left yesterday I connected them up and they worked fine. I've tried disconnecting from the car attachment and reconnecting to make sure it's salads and that didn't work. The light on the installed brake light inside the car for the trailer works fine and gives me the difference speeds of 10 15 or 20. Still no lights in the back break or emergency or left right turn. Inside lights work in trailer work. Any suggestions? Back to hitch installer? All wiring seems good into the wheels. Only thing that happened was driving back on the interstate the right tire on the trailer had explosion of the tire and I had to put the spare on. Appreciate suggestions. Courageous Indiana woman getting ready for a Six week road trip.
...When it comes to..analysis of elctrical circuitry, one could use the term of...SEEMS TO BE...or GUESS, DOUBT... But when it comes to repair and pin-point the problem, it must be...THE READING NUMBERS FROM TESTING EQUIPMENTS. IMO, I guess you need to inspect your trailer receiver harness with accurate readings,-no guess- it's ground/frame connection...then light bulbs themselves/their fuses it applicable...Just my thought..
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Old 08-10-2013, 02:40 PM   #3
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Thanks. Will start with hitch and then receiver and move thru other stuff.
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Old 08-10-2013, 03:28 PM   #4
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did the exploding tire take out some wires. Maybe caused a short and blew some fuses. The wires to the brakes are right there by the wheel.
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Old 08-10-2013, 03:41 PM   #5
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I had that thought. it happened early in my first drive back of six hours with my new little Scamp. I shudder to think I drive six of my 8 hour drive with no lights at all on Scamp! Didn't do a walk around at every stop, only at start of trip. Good lesson. I did have a thought when they replaced the burst tire with new one by local tire people, it could have disrupted wiring to brakes. Will see about having that checked. Or even during the blow out. Thanks for reaffirming my original thought.
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Old 08-10-2013, 03:42 PM   #6
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Originally Posted by Infogypsy
All wiring seems good into the wheels
Sound like there's juice to the magnets.

jack
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Old 08-10-2013, 03:51 PM   #7
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Just to add to the data base.... Did you happen to note the age of the tire that failed? If the other one is still there it's usually about the same age. Please check the mfg dates and let us know what you find.

Othere than that, when a tire fails it can throw all kinds of shrapnel and damage everything from wires to plumbing & gas lines to holding tanks. A good under chassis inspection may point to the cause of the problem.
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Old 08-10-2013, 03:54 PM   #8
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Brake lites don't work

Yes - the tire people said to buy new tires for all three tires as it's 2005 and if not used often which this beautiful little Scamp was not, and it has only been on short trips, (I took it on my 8 hour trip home on interstates) that I need all new tires. I am already checking where to get those tires in town. Do you know the size of the tires and # of lug nuts for the Scamp 16 ft.?
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Old 08-10-2013, 03:54 PM   #9
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Take the bulbs out and clean them , apply a little dielectric grease and reinstall. While you are in there clean the ground connection to the socket.
The taillight wiring is inside the trailer, down the left side.
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Old 08-10-2013, 04:02 PM   #10
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A common source of intermittent trailer light operation is a poor ground between the tow vehicle and the trailer. If the ground is only through the hitch, it can work, then not work .

Check that the tail lights on the trailer have a good ground connection to the tow vehicle.
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Old 08-10-2013, 04:14 PM   #11
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Tail lite issue

Can someone tell me:

Who would I get to check under side of scamp and where and how do I check for good grounding.
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Old 08-10-2013, 04:31 PM   #12
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Now I'm getting the idea that there was NOT a check to see if wiring into the break plates was intact, in which case that should be checked, at least on the side of the blowout.

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Old 08-10-2013, 04:39 PM   #13
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As Scamps have used two or three different tire sizes over the years I suggest that you check the size tha'ts on there and left us know. Someone will know if that's an appropriate size. If the spare looks new it's probably original and would be a good indicator.
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Old 08-10-2013, 04:43 PM   #14
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Quote:
Originally Posted by Infogypsy View Post
Can someone tell me:

Who would I get to check under side of scamp and where and how do I check for good grounding.
If you run a long piece of wire from the tow vehicle ground directly to the trailer light ground and the lights work, you know that you have a poor ground. You then need to work your way back to the tow vehicle checking the ground connections. These connections are frequently made to the frame and each connection is subject to corrosion, fraying or breaking.
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