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Old 05-14-2011, 09:36 PM   #1
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led bulbs

thinking about switching my tt interior bulbs to led! the bulbs have the number 912 on them and the warning plate under the bulb says to replace with number 921 ? the question is, are these bulbs also known as T10. this seems to be the closest looking bulb base that i can find on ebay, will they work ???
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Old 05-14-2011, 10:20 PM   #2
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Do a Search on it - there are numerous and recent discussions on this very subject.
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Old 05-14-2011, 10:51 PM   #3
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Quote:
Originally Posted by Wildwood1 View Post
thinking about switching my tt interior bulbs to led! the bulbs have the number 912 on them and the warning plate under the bulb says to replace with number 921 ? the question is, are these bulbs also known as T10. this seems to be the closest looking bulb base that i can find on ebay, will they work ???
Yes, the T-10 base is what the 921 incandescent bulb uses. I will pull up some threads that might be helpful in installing them. I have replaced all the interior lights with 36 LED pads now.

This is the best one on this topic.

LED 12 volt lighting: Long term results
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Old 05-15-2011, 07:54 AM   #4
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Yes - the T10 Wedge Base LED bulbs replaces OEM bulb types 912 or 921 wedge base bulb in an RV. Here's the whole list: 158, 161, 192, 194, 168, 579, 904, 906, 912, 918, 916, 920, 921, 922, 2821, 2825, 12256, and 12961.

The size is W2.1 x 9.5d.

Many of the sites will list the base type and what they replace.

There is a wide range of prices in LED. I just ordered bulbs from three Ebay sources (search SMD 36-LED Interior Room Dome Door Car Lights). These come in a Bright White and a Warm White, which is closer in color to the incans. The prices are all close at around $3.50-$5.00 per light with shipping. Some look more expensive but include the shipping.

I am also considering trying out the Revolution wedge, which is quite a bit more expensive ($19-$29 per light).
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