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Old 11-23-2017, 07:48 AM   #1
wiredgeorge
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Minor Electrical Issue

Slide out on my 2002 Cougar 278EFS has 3 lights over sofa & dinette. Two are coming off the top over and one each over the sofa & dinette. The other is on the wall between the two sets of furniture. Fixture on wall doesn't work. Not the bulb so I pulled it out and checked and no 12V. The switch is on the lamp itself and those wires (orange/white hot and white ground) should have power but DO NOT.

I don't think this is a simple fix but not sure where these wires come from. Since the two top lights work, the wiring may come from them and just got disconnected. If anyone knows how the lamp in the center electrical path works, I will take off the top lamps and check. Is there a wiring diagram for my trailer anywhere? TIA wg

(messing around with the trailer; missus headed over to my kiddo's house to help with fixing dinner so I am left to my own devices until this afternoon).
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Old 11-23-2017, 08:05 AM   #2
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Most likely the feed is from the same feed for the ceiling lights. No wiring diagram, so your on your own.

I would pull the ceiling lights and look for loose/corroded connections.

The 12V for the slide comes
Up in one corner or the other, and there is probably a junction box. The wall light wiring may attach at that junction box. Since your home alone, you have time to tear stuff apart LOL.
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Old 11-23-2017, 08:25 AM   #3
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I am also thinking of a nice family photo in a frame over the hole in the wall... I guess I will start by looking for the mysterious junction box which I doubt is easy to find. When I give up looking for that, I will take the lights off... was hoping someone had a line on a wiring diagram... thanks.
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Old 11-23-2017, 08:54 AM   #4
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No "publically released" wiring diagrams are available on any Keystone product. If you happen to find one, you'll be a "rich man" if you reproduce it and sell it to other "frustrated owners"..... That said, there is probably one "hot lead" and one "ground" that runs from the wiring loop under the slide, up through the slide framing to the ceiling light closest to the loop, then from there, across the ceiling to the other ceiling light, then from there diagonally to the wall light. So, you'll probably find three wires on each connector in the ceiling lights (incoming, outgoing and fixture) and only two wires in the connectors at the wall light (incoming and fixture).
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Old 11-23-2017, 09:04 AM   #5
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Did these lights ever work? or did they just fail? Keep in mind that some fixtures may have switches on them as well as remote switches on the wall. Obviously both have to be on, have heard of people accidentally hitting switch on say fixture by mistake.

I assume you checked for 12V before the switch and not just across the socket (possible faulty switch)
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Old 11-23-2017, 09:13 AM   #6
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Pulled the fixture off the wall and check for voltage at wiring after removing the wire nuts. I am a motorcycle mechanic type by trade and understand DC fairly well. Problem is, trailers are made in such a way that trying to figure out wiring is kind of a snipe hunt. I have no idea if the switch is good/bad because if I had power out of the wall, I would have checked the switch but since no voltage, problem is upstream.
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Old 11-23-2017, 09:22 AM   #7
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.

This will be no help to you but I ran across it looking for diagrams.



There are lots of sites that say they have PDF's for download but you have to register and give them your credit card number, not happening.

Ran across a post on another site that said each and every Keystone, even if it is the same model have the wires run a bit different. I assume the control boards and fuses are standard.

.
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Old 11-23-2017, 09:27 AM   #8
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Most likely there won't be a junction box... just a splice.. Usually the wiring is under the slide in a flexible plastic wire loom into a hole in the bottom of the slide and then up the wall... check the color of the wiring where it connects to the pigtails for the light fixture... then go under the trailer and fid that plastic loom...
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Old 11-23-2017, 02:01 PM   #9
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Javi, Have been up under there already and no loom is visible. The wires are orange/white pos and white neg. They won't run 3 sets of wires up into the area of the problem I would guess so will pull the working two lamps and see if there is a loose wire(s) coming off either that may go to the fall lamp.
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Old 11-23-2017, 02:24 PM   #10
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The 12V wiring has to come from the main frame to the outside corner. Lots of times it’s bundled with an “extension cord” that carries the 110V to the slide. Did you see a screen door spring? That is what keeps the wires in position, or a flat plastic piece with the wires weaved through holes.
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Old 11-23-2017, 06:32 PM   #11
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Will take another look tomorrow. I am not going to work and see if I can get this sorted out. Found a couple of the nuts that retain the slide on the loose side and have to get under there and make sure nuts are snugged up.
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Old 11-24-2017, 11:08 AM   #12
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OK... YOU WERE RIGHT FOLKS... wiring loom headed up into the trailer and suspended by a long spring. Oddly, I noted there was a 110V type 14 ga. wire tied to the loom. The 14 ga. wire does indeed carry 110V to the slide which lights up the two overhead lights. The orange/white & white wires are the 12V. I am learning wayyyyy too much about camper stuff here. No power at the wire nuts between the RV and slide.

(why the heck would they put 110V lights in an RV?????)

Noted the slides were bone dry and the nuts that retained the slide to its frame were VERY loose so the trip wasn't wasted. Got that fixed. Noted the orange/white wire was spliced into an orange so I went up to the converter box and discovered the 15A fuse that provided dc voltage to the light was blown. Change the fuse and thought all was fixed.... not so quick on the draw there cowboy.

There was now power to the light at the wall. Found the switch was kind of sketchy and a few shots of contact cleaner fixed that issue. Then wired it up and pushed the switch and NADA! Whoa!

Took the bulb out (new 1156 bulb from my vast collection of motorcycle bulbs) and noted there are TWO (double) contacts in the base and of course the single contact 1156 is a non-starter. Both the slots in the bulb holder were at the same level just like an 1156 bulb holder? What the heck is this????

Turns out the bulb holder uses a GE #1076 23W / S8 double contact bayonet AKA BA15D type bulb which (of course) I have never heard of. This is a single filament bulb with dual bayonets on the base (WHY?) The RV supply in Bandera carries them so I guess these are used in similar fixtures on RVs elsewhere. Going to get a new bulb tomorrow as the case seems to be solved. Luckily all the blade fuses in my converter are 15A but I will pick up another pack as you can't carry enough fuses.
Hopefully this will help someone else in the future as it has been frustrating for such a "minor electrical problem"!
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Old 11-24-2017, 11:15 AM   #13
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110V is most likely for the outlet(s) under the dinette. I have a couple of double of double post 12V lights.
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Old 11-24-2017, 11:43 AM   #14
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I would be tempted to get LED replacement bulbs... lot less power draw and heat.

LED replacements

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Old 11-24-2017, 12:18 PM   #15
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I have the same double contact bulbs in the light over the dinette. I changed all of my incandescent bulbs to LED and haven't had a bad bulb or an inop light in 4 years. (Watch, I just jinxed myself)... Anyway, I wouldn't replace it with another incandescent bulb if you use the light much at all. LED is the way to go. As for the ceiling lights, are you sure they are 110 VAC? I'd pull a bulb and double check that. I haven't seen 110 VAC lights in slides for at least the last 20 years. The only 110 is to the outlet on the rear side wall of the slide in ours and it's that way with almost every slide I've seen in the past 10+ years. I'd urge you to pull a cover off one of the lights and verify that they are 110 VAC lights based on the bulb that's installed in the fixture.

Otherwise, you're making progress, sooner or later you'll have your own wiring diagram, at least for one model of one brand of Keystone....
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Old 11-24-2017, 01:12 PM   #16
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The two round fixtures inside the slide that are above dinette & sofa ARE 110V and have old school 60W light bulbs.
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Old 11-24-2017, 01:43 PM   #17
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Quote:
Originally Posted by wiredgeorge View Post
The two round fixtures inside the slide that are above dinette & sofa ARE 110V and have old school 60W light bulbs.
I expect somebody did some changing

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Old 11-24-2017, 01:48 PM   #18
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Quote:
Originally Posted by Javi View Post
I expect somebody did some changing

Javi
Me too. Haven’t seen 110V bulbs since I was a kid in a 1969 Ideal TT.
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Old 11-25-2017, 07:42 AM   #19
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Kind of surprised NO ONE else on this forum has a 2002 model Cougar that could chime in on whether the fixtures use old school 110V bulbs as OEM...
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Old 11-25-2017, 08:18 AM   #20
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Kind of surprised NO ONE else on this forum has a 2002 model Cougar that could chime in on whether the fixtures use old school 110V bulbs as OEM...
Well I can personally testify that all lights were 12v in new trailers from 1979 to 1983 cause I was the make ready guy at the dealership in Waco. I can also say that I have not seen any 110volt lights in any trailer that I've own, used or been in since then; that hadn't been modified for full time park use.

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