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Old 09-15-2005, 02:42 PM   #1
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Three way light switch in Motorhome living room

Our 1984 310 Limited MH has two three-way switches - one in the living room and one in the kitchen. The one in the living

room has become difficult (almost impossible) to switch to the HI setting.

I'm wondering if anyone can tell me:

1. A source for a new switch

2. How to remove the switch
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Old 09-15-2005, 02:57 PM   #2
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Guy,
I think we have the same switches. If so here is what I know:

The switch is in two parts. The outer frame contains the rocker itself and all of the wiring connectors (spade connectors). This snaps into the outer frame with is either screwed or riveted into the wall (depending on whether it's a wood or aluminum wall).

Removal would be as follows:

1. Disconnect the 12V supply at the battery
2. Get behind the switch and remove the wiring connections
3. Pull the rocker assembly forward (you might need a small flat bladed screwdriver to "help" it out).
4. Once removed you can drill out the rivets or take out the screws to get the base out

No idea on replacements. I've been looing at upgrading mine to a more modern style. Most of these switches are (were) built by suppliers in and around Elkhart specifically for the RV Biz. Marine stores can some close.
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Old 09-15-2005, 03:19 PM   #3
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I found the replacement at our boating store, west marine. They only come in black and they fit the same hole. You can get them in 3 way and two way. If you have a hard time finding them I can get a part number and make.
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Old 09-15-2005, 04:06 PM   #4
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A little confused

Steve,

Thanks for the reply. I'm confused by the following which I assume is a typo:

"The outer frame contains the rocker itself and all of the wiring connectors (spade connectors). This snaps into the outer frame"

I assume you mean the inner frame snaps into the outer frame - correct?

Also, how do I "get behind" the frame to disconnect the lugs?
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Old 09-15-2005, 05:58 PM   #5
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just a thought- i use this all the time. Try some electrical contact lube spray into the switch. Might save a lot of hassle and can't hurt anything. You get it at Home Depot type stores, or Radio shack, etc.
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Old 09-15-2005, 06:05 PM   #6
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Good idea. Does this stuff stain? The switch in question is mounted on an upholstered wall.
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Old 09-15-2005, 06:11 PM   #7
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If it is the same switches on the overhead lights as we have, we got them through Inland RV on-line. One of ours was fried from having water damage.
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Old 09-16-2005, 12:55 PM   #8
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Steve,
Thanks for the information. Using it I have been able to disassemble my switch. Now I'll try Alan's suggestion (thanks Alan). If that doesn't work I'll be looking for a new switch.
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Old 09-16-2005, 01:15 PM   #9
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Quote:
I assume you mean the inner frame snaps into the outer frame - correct?
guy99 - right....you are correct. It's the inner.
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Old 09-16-2005, 01:22 PM   #10
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Guy- yesterday I tried that stuff on an electric motor from a vintage sewing machine-- early 60's. It wouldn't turn at all. After a dose it started spinning and the thing now sews perfectly. Cheap fix! Hope it helps in your case.
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Old 09-16-2005, 01:41 PM   #11
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I tried the stuff on my step switch which stopped working after my "dusty road" adventure http://www.airforums.com/forum...ad.php?t=17148.

No go. When I got a replacement and took the old one apart I saw the some internal parts had worn so bad that they were in pieces, nothing was going to help that switch.
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Old 09-24-2005, 01:08 PM   #12
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Update on three way switch

Well, I tried the cleaner but the switch still didn't work, it was difficult to impossible to depress the HI setting. Then it stopped working altogether. So I took it apart. Turns out that the center terminal (hot) had broken and was interfering with the mechanical operation of the switch.

This is a six lug switch with two complete sets of contacts. So I removed the broken parts and the actual carbon pole which made contact with that hot lead and the output terminals. This left me with an unused set of contacts which seem to work fine when I assembled the switch without any of the parts which operated the broken set of contacts.

So, I'm going to reinstall this switch, using the 'spare' set of terminals and use it until a replacement is found.
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Old 09-24-2005, 02:47 PM   #13
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too bad the cleaner didn't do it, but at least you found the real cause. Now you have a can you can use on other switches as preventive measures. I used it on my vacuum cleaner today...really helped there. Keep us posted on the turn out.
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