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Old 02-17-2011, 09:00 AM   #1
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LED Lights in place of the type 921 bulbs

I just ordered 14 (they come in qty 2 so I ordered 7) on Ebay. I hope they are bright enough. Very few of these LED listings list lumen output on Ebay.

The item number on Ebay is 300517613226.

Now the waiting begins!
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Old 02-17-2011, 11:39 AM   #2
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I converted my motorhome a year ago I think youll find the ones you ordered not bright I used warm white leds with 16 bulbs
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Old 02-17-2011, 01:59 PM   #3
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I expect them to not be as bright as the stock bulbs but I was also juggling cost vs output. I don't want to spend $10 plus per bulb. 14 of these cost me less than $12 so worst case I hate them and I am not out a whole lot of money.
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Old 02-25-2011, 06:22 AM   #4
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What bulbs are you talking about here and what does it improve

????
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Old 02-25-2011, 06:56 AM   #5
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????
These are LED lights. That stands for Light Emitting Diodes. They are solid-state electronic material. They have two advantages; long life on the order of decades (usually), and very low current draw on the order of 1% of typical filament type lights.

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Old 02-25-2011, 10:15 AM   #6
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I just bought some at Quartzsite Az. they are actually brighter than the bulbs they replace.. but yeah they cost me $25.00 each
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Old 03-02-2011, 11:24 AM   #7
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Well I got the bulbs and they are fairly bright in front but not to the sides. I will need to try something else.
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Old 03-02-2011, 07:56 PM   #8
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Check out some of this guys posts on LED lights. From what I`ve read, he knows his LED lights and gets them from Command Electronics. I have not installed any as of yet. -Lee

http://www.rv.net/forum/index.cfm/fu...d/24005537.cfm
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Old 03-03-2011, 05:50 AM   #9
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These are LED lights. That stands for Light Emitting Diodes. They are solid-state electronic material. They have two advantages; long life on the order of decades (usually), and very low current draw on the order of 1% of typical filament type lights.

:
In my posting, I should have mentioned some of the quirky things about LED lights. All LED are directional to some extent. Some are very directional, like a flashlight. The least directional will cover about a 120 degree pattern. When considering which way to go, try to find out if your particular mount orientation will work with that LED's directional pattern. One thing is sure, the light pattern will not be as wide as a filament light.

When the LED makers specify the light intensity, that number is for the on-axis beam, and off-axis is always less, just a matter of how much less. Some times they will publish data which will show you how much drop-off occurs off-axis.

The LED light pattern and intensity vary widely from model to model. It would be nice if there were more consistancy.
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Old 03-03-2011, 06:54 AM   #10
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Wow, $25 a bulb! My last Jayco I had for 10 years and never replaced a bulb, except for an outside running light bulb. I think I'll just wait to see if any burn out before I look at replacing them on my new 2010 model.
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Old 03-03-2011, 09:13 AM   #11
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Wow, $25 a bulb! My last Jayco I had for 10 years and never replaced a bulb, except for an outside running light bulb. I think I'll just wait to see if any burn out before I look at replacing them on my new 2010 model.
I boondock 99.99% of the time... and you become real observant of the voltage that bulbs use .... I have been in the RV boondocking since Oct 19...
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Old 03-06-2011, 09:43 PM   #12
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Okay bought 4 of these and love them. I just ordered 4 more

item 230593520716 on Ebay.

These are very bright and super white light. The oem bulbs seem very yellow compared to these.

I got out my meter this morning and measured the amps on the first bulbs I ordered at the beginning of this thread then I measured the brighter ones I just received. The first ordered was running at around 40 MA, these newest ones I bout about 140MA.

Does anyone know what the stock type 921 oem bulbs are rated at? I think I read somewhere around 1.5 amps, (1,500MA). Is this true?
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Old 03-09-2011, 02:13 PM   #13
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Yes, I see a listing for the 921 bulb spec'd at 1400 mA (1.4 amp). So, your new replacements having a draw of 140 mA will save on battery consumption. As you see with your two LED samples, there is quite a bit of variation in what you get from different LED part numbers for light output and current draw. It can be tough to make a choice between the many offerings if you have not seen each one in operation. Also, some people will scarifice light output in order to get the least possible current draw, so personal choice enters into it. Myself, I'm not entirely sold on LED substitutes, partially because I know the price mark-up is huge. Cost to make them is only a couple bucks.
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Old 03-09-2011, 02:50 PM   #14
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Do the LED's actually put out as much light as regular bulbs?

Just wunderin'.... can someone let me know if the led's light up better than the little led battery push button lights you can buy at WM?

We bought two smaller ones to place under the cabinet between the range hood and the sink (lighting there is poor at night). We held the light up there last night, but it didn't put off as much light as a regular bulb light does and as David posted earlier seemed to be directional. Is this indicative of what the lighting would be if we replaced the regular bulbs throughout the tt? We like to save $$, battery power, and the earth, but rarely boondock (a WM here and there when traveling x-cntry) and our eyes need lotsa light now-a-days... Thanks ahead of time for the input
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Old 03-09-2011, 03:05 PM   #15
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the second light I listed is nearly or equal to the standard type 921 bulbs in light output and are not directional, the first are much dimmer and are directional.
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Old 03-09-2011, 08:12 PM   #16
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Do you know if the patio light uses a 921 bulb?
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Old 03-09-2011, 10:14 PM   #17
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Do you know if the patio light uses a 921 bulb?
Haven't checked yet but I assume it does. I have one more of the brighter bulbs that I intend to use for the porch light. So I bought 8 total of the brighter bulbs and 14 total of the first bulbs that I listed. I put one bright bulb in each light that is a double, one over the sink then the dimmer bulb in every other single location. I also have a dimmer bulb opposite side of each double that has a brighter bulb in it. I also replaced the bulb in the range hood with the dimmer bulb. Because the socket was originally set sideways, I rotated it to face down so the dimmer bulb would work okay because it is directional.
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Old 03-10-2011, 03:26 PM   #18
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Just wunderin'.... can someone let me know if the led's light up better than the little led battery push button lights you can buy at WM?

We bought two smaller ones to place under the cabinet between the range hood and the sink (lighting there is poor at night). We held the light up there last night, but it didn't put off as much light as a regular bulb light does and as David posted earlier seemed to be directional. Is this indicative of what the lighting would be if we replaced the regular bulbs throughout the tt? We like to save $$, battery power, and the earth, but rarely boondock (a WM here and there when traveling x-cntry) and our eyes need lotsa light now-a-days... Thanks ahead of time for the input
The $25.00 ones I bought are actually BRIGHTER than the 921's...
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Old 03-26-2011, 07:40 AM   #19
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Okay bought 4 of these and love them. I just ordered 4 more

item 230593520716 on Ebay.

These are very bright and super white light. The oem bulbs seem very yellow compared to these.

I got out my meter this morning and measured the amps on the first bulbs I ordered at the beginning of this thread then I measured the brighter ones I just received. The first ordered was running at around 40 MA, these newest ones I bout about 140MA.

Does anyone know what the stock type 921 oem bulbs are rated at? I think I read somewhere around 1.5 amps, (1,500MA). Is this true?
So, I ordered these bulbs based upon your comments about them being a great replacement for the 921 bulbs (plus the cost is much less than others). I just received them and they don't look like they are the same size as the 921's?? I'm also still trying to figure out how to remove the 921's in the first place. I have a Jayco Jay Flight 19BH and each bulb appears to be hitched into a little square holder that fits inside the dome of the dual light fixture, but I've tried all different ways to get them out (carefully though, as I don't want to break the bulbs in case these new LED ones don't work) to no success. Anyone have any tips on how exactly you pop these bulbs out?? I'm really interested in lessening the battery drain from the lights, and this LED conversion is my first foray into getting my TT more "boondock" ready. Thanks in advance for any tips!!
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Old 03-26-2011, 10:46 AM   #20
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So, I ordered these bulbs based upon your comments about them being a great replacement for the 921 bulbs (plus the cost is much less than others). I just received them and they don't look like they are the same size as the 921's?? I'm also still trying to figure out how to remove the 921's in the first place. I have a Jayco Jay Flight 19BH and each bulb appears to be hitched into a little square holder that fits inside the dome of the dual light fixture, but I've tried all different ways to get them out (carefully though, as I don't want to break the bulbs in case these new LED ones don't work) to no success. Anyone have any tips on how exactly you pop these bulbs out?? I'm really interested in lessening the battery drain from the lights, and this LED conversion is my first foray into getting my TT more "boondock" ready. Thanks in advance for any tips!!
Hi, the wedge is slightly thicker than the oem's but they will go in. The old bulbs just pull out then push the new ones in.

I ordered 4 more so now I have a total of 12 of the brighter bulbs.

I have now swapped the porch light bulb, it is the same type 921 as the others.
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