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Old 10-30-2011, 07:10 PM   #1
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1974 25' Tradewind
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Polarity light

I am doing over a 74 trade wind LY . I am wondering whether the polarity light is still necessary ? Next if it is how do you get the Neon pilot light out to replace it .Anyone have a source for this? I have it out of the frame just can not get it out of the white housing.
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Old 10-30-2011, 07:19 PM   #2
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Is the light bad? It should only come on if the polarity of the power you are connected to is bad. If everything is correct, the light will be off. To get to it on your TW, you will have to remove the junction box that is located under the bathroom sink by working through the small cabinet door.

I use a small polarity tester that I plug into the campground plug before I plug in. I have found one bad plug in the last 6 years.
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Old 10-30-2011, 07:49 PM   #3
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Richard, do you know how to reconnect a polarity light? We've got one in the electrical compartment (of course), but the wire is disconnected.

Lynn
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Old 10-30-2011, 07:56 PM   #4
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The two legs of the lamp connect to the 120 volt neutral and the 120 volt ground. If the neutral is hot (reversed polarity) the light will illuminate.

If you are powered from a generator, this will not work because there is no ground.
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Old 10-30-2011, 07:58 PM   #5
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The $5 ones like above give you more data that the polarity light but the polarity light will check at 30 amp outlet that the above one will not unless you have a 30 amp to 15 amp adapter dog bone, which I don't.
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Old 10-30-2011, 08:10 PM   #6
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It's just a few bucks at CW, good investment. I like to check before I plug in.
Worldwide Merchandise Company - 30 Amp Male to 15 Amp Female Round Adapter - Electrical Adapters - Camping World
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Old 10-30-2011, 09:59 PM   #7
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Humm. Next time we're around, I want you to look at ours. It seems only to have one wire leading from it. Could be that attachment to ground is simply attachment to the body of the rig? If so, then I would just attach the wire to negative/neutral, I guess.

Lynn
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Old 10-31-2011, 08:48 AM   #8
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polarity light

I have been doing a rebuild and since it is a 74 I felt I may as well replace it while it was out and easy to work on. Any one have a source ?
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Old 10-31-2011, 09:57 AM   #9
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Quote:
Originally Posted by batt View Post
I have been doing a rebuild and since it is a 74 I felt I may as well replace it while it was out and easy to work on. Any one have a source ?
The old neon polarity light bulbs are almost a thing of the past.

If the original one is still working, save yourself some headaches, and keep on using it, since finding a replacement is almost like finding tubes for old radios.

Andy
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Old 10-31-2011, 07:08 PM   #10
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Thanks for the tips ,So I should just purchase a tester and drop the wiring of the polarity light. Seems redundant in view of todays modern testers which are cheap and exact.
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