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09-23-2012, 08:07 AM
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#1
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Senior Member
Trailer: Trails West Campster 1970
Posts: 3,366
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Will this work? Ground wire
One of my taillights blinks on if I hit it or mess with it but then goes out. I'm guessing its the ground wire, maybe. If I just run a wire from the ground wire to the trailer frame, would that serve to ground if that IS the problem? Or will it do something else?
(I really need to replace these &^%*( lights.0
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09-23-2012, 08:43 AM
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#2
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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It will work.
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09-23-2012, 08:44 AM
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#3
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Senior Member
Trailer: Trails West Campster 1970
Posts: 3,366
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thanks. I'll try it.
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09-23-2012, 08:50 AM
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#4
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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Yes it will work. A good idea is to run a separate ground wire from each light all the way to the 4 way plug's ground connection. The frame makes for an unreliable connection.
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09-23-2012, 02:24 PM
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#5
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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The Battery on the camper is connected to the frame.
On the tow vehicle, the battery is connected to the frame (Chassis) and the white ground wire is also connected to the frame.
On the camper, the white wire may be connected at the converter ground that also has a connection to the camper frame.
The tow vehicle ground is also in the hitch ball that is grounded to the frame and the coupler on the camper is also connected to the frame however the ball/coupler may not always provide a ground path (It's intermittent) and not reliable.
The one thing consistent in all this is that the frame is a path for ground (-DCV).
When you attach your wire to the frame, sand or grind to a rust free, shinny spot and connect. You should coat with something to prevent rust.
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09-23-2012, 02:39 PM
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#6
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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The problem is that connections to the frame are unreliable, The frame is generally steel, exposed to water and sometimes salt, and prone to rust.
Read any tail light problem thread and see how many end with "I found a bad ground connection to the frame". A separate wire from the hitch on back to the lights will save many an hour of wrestling with tail light problems. Given how cheap a piece of wire is, I just don't understand using the frame as a conductor.
Rant over.
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09-24-2012, 09:02 AM
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#7
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Senior Member
Trailer: Trails West Campster 1970
Posts: 3,366
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Temporary fix right now. I am assuming there IS a ground wire and it is shorting out somewhere. When I'm testing it the ball to coupler is static so I don't think that's the issue. I'll see what happens with a wire to frame.
No battery.
Related question- wouldn't it be easier to mount lights on the frame than the trailer? I need new, brighter, reliable lights; it seems I could run the wires straight back to lights on the frame. Former owner has the 12V disconnected and a mess of wiring which I haven't wanted to redo as it runs all through stuff I don't want to take apart and I'm almost always connected anyway. So if I just got LED taillights and mounted them on the frame, I could by pass everything; leave the existing lights as is or remove them.
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09-24-2012, 09:45 AM
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#8
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Senior Member
Name: David
Trailer: 1978 Trillium 1300
Cumberland, Indiana
Posts: 392
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Quote:
Originally Posted by Thomas G.
Rant over.
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Spanke
__________________
Trilliums Rock!
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09-24-2012, 10:23 AM
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#9
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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Quote:
Originally Posted by Bobbie Mayer
T............Related question- wouldn't it be easier to mount lights on the frame than the trailer? I need new, brighter, reliable lights; it seems I could run the wires straight back to lights on the frame. Former owner has the 12V disconnected and a mess of wiring which I haven't wanted to redo as it runs all through stuff I don't want to take apart and I'm almost always connected anyway. So if I just got LED taillights and mounted them on the frame, I could by pass everything; leave the existing lights as is or remove them.
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Sure, this is how it is done on a utility or boat trailer.
Quote:
Originally Posted by Spanke
Spanke
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Go ahead and say it!
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09-24-2012, 04:21 PM
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#10
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Senior Member
Trailer: Trillium 2010
Posts: 5,185
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Quote:
Originally Posted by Bobbie Mayer
Temporary fix right now. I am assuming there IS a ground wire and it is shorting out somewhere. When I'm testing it the ball to coupler is static so I don't think that's the issue. I'll see what happens with a wire to frame.
No battery.
Related question- wouldn't it be easier to mount lights on the frame than the trailer? I need new, brighter, reliable lights; it seems I could run the wires straight back to lights on the frame. Former owner has the 12V disconnected and a mess of wiring which I haven't wanted to redo as it runs all through stuff I don't want to take apart and I'm almost always connected anyway. So if I just got LED taillights and mounted them on the frame, I could by pass everything; leave the existing lights as is or remove them.
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Hi Bobbie. As has already been mentioned, the issue with using the trailer frame as a wire is corrosion at the connection points. Unlike your car, which uses the metal as a wire, the trailer connections are all exposed to water which sooner or later will lead to a bad connection. The last thing you need is lights that are not working and you unaware of it. Also putting lights on the frame makes them far less visible than on the trailer body. Tail lights and blinkers amounts to 6 wires that reduces to 4 out the trailer. Raz
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09-24-2012, 07:16 PM
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#11
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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FYI: Harbor Freight sells an emergency 12 Volt Magnetic Towing Light Kit. They are on sale for less than $12. Harbor Freight Tools
12 Volt Magnetic Towing Light Kit
I carry a set for the just in case situation.
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09-24-2012, 07:23 PM
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#12
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Senior Member
Trailer: 1972 Boler American and 1979 Trillium 4500
Posts: 5,141
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I thought I saw $18 until I read "coupon required". The details for the coupon are in the ad.
At that price it is worth having a set in case a bulb blows or the weather is really bad. Trailer or not just put them on your trunk for extra visability.
Thanks Darwin!
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09-24-2012, 09:14 PM
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#13
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Member
Name: JoJo
Trailer: Former CT 13 Owner
Connecticut
Posts: 88
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BUT, you DO lose your running lights if you bypass the trailer plug.
__________________
....and a river runs through it.
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09-25-2012, 09:37 AM
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#14
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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JoJo Said: BUT, you DO lose your running lights if you bypass the trailer plug.
That is what the magnetic base lights are for. When you lose your running lights you connect up these and continue running. Should your tow vehicle connection be bad, connect the emergency ones to the Camper Battery to light up the emergency running lights. This should safely get you to where you are going but remember, if it is connected to the camper battery, you will not have turn and stop lights.
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09-25-2012, 09:40 AM
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#15
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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Quote:
Originally Posted by Darwin Maring
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My UHaul has an aluminum bumper. Does anyone know where I can get an aluminum magnet?
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09-25-2012, 09:41 AM
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#16
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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Check this out, LED lights.
I purchased these, took them apart then modified my 1974 VW Thing tail lights by placing the waterproof LEDs inside. I now have Great Tail Lights that look totally original on the Thing.
These lights would look fabulous on the back of an egg also.
On Sale at Harbor.
One Pair Submersible Trailer LED Lights
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09-25-2012, 09:44 AM
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#17
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Senior Member
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,640
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Thomas, Yes I do. Go to Home Depot and purchase a tube of Liquid Nail Magnet Glue or a pair of long Tie Wrap magnet strips.
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09-25-2012, 09:58 AM
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#18
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Senior Member
Trailer: No Trailer Yet
Posts: 5,112
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Quote:
Originally Posted by Darwin Maring
Thomas, Yes I do. Go to Home Depot and purchase a tube of Liquid Nail Magnet Glue or a pair of long Tie Wrap magnet strips.
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Thanks. This physics stuff is so complicated .
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09-25-2012, 10:14 AM
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#19
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Senior Member
Trailer: Trails West Campster 1970
Posts: 3,366
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Well, what fixed it for now is to move the ground to a different screw. Don't ask me why but maybe it was on the wrong one. I'll see how long that lasts, but for the moment I have lights.
I don't think my lights are originals so I don't mind replacing them with non-originals, but I am worried about wires coming apart somewhere if I tug on them to get enough wire out to the light to wire in new lights. These just have about an inch of wire poked through a hole in the glass that goes to the light socket (plus an empty socket as initially the lights were two-bulb style.)
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09-25-2012, 10:19 AM
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#20
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Senior Member
Trailer: Lite House
Posts: 282
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Quote:
Originally Posted by Bobbie Mayer
One of my taillights blinks on if I hit it or mess with it but then goes out. I'm guessing its the ground wire, maybe. If I just run a wire from the ground wire to the trailer frame, would that serve to ground if that IS the problem? Or will it do something else?
(I really need to replace these &^%*( lights.0
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As long as the connections are bright, clean and tight, you should be fine. Consider putting some LocTite on the threads and covering the connection with liquid electrical tape.
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