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Old 05-20-2012, 05:44 PM   #1
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Another light bulb question

We purchased a 2012 Jayco 29RLDS last year. We are starting to have light bulbs go out. When we take the burnt out one out, look for a number on it to replace it, we aren't finding anything written. The most recent one we had was the outside porch light. Can anyone give us a list of which ones (numbers please) and the voltage? I also noticed that there is an entirely different bulb in the sconce on the wall. Most of the others look the same but are they all a different wattage? I really appreciate any help you can give me. I don't want to put too high of a wattage in the fixtures. We did that with one of the fixtures in our old trailer and it actually melted the fixture and had to be replaced.


2012 Jayco Jay Flight 29RLDS
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Old 05-20-2012, 07:37 PM   #2
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the numbers should be in your book

not sure but these might be yours
Interior Ceiling, Bunk Lights #921
Exterior Porch Light #922
Exterior Tail Light / Signal #3157
Exterior Clearance #194

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Old 05-20-2012, 10:21 PM   #3
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Hiya Mary and belated welcome to the JOF! Make sure you contact your dealer about warranty issues... or even contact Jayco directly with issues you have that are ongoing and not resolved (that helped us with some isolated brake issues we had in the first year of owning our tt). Keep coming back with all questions you come up with and share with other members what you learn. Hope it works out for you
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Old 05-21-2012, 08:47 AM   #4
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Mary they are probably Halogen bulbs.. which means dont touch them with your fingers EVER.. wear gloves or hold them with a Kleenex. The oils from your fingers will etch the glass and cause them to blow out sooner.
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Old 05-23-2012, 04:01 PM   #5
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No to hijack the thread but on a simillar note, Ive noticed out lights (above beds) seem to be extreamly bright and pretty hot. I too looked but found no numbers on the bulb. I didnt know if they were suppost to be this bright, if being connected to 30A svc, or if the PO had replaced the bulbs with a higher wattage? I would like to replace them with a lower wattage so they arnt as bright.
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Old 05-23-2012, 04:28 PM   #6
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More than likely, the outside porch light (with amber cover like on mine) it's a 922 bulb.

For the main overhead lights, they probably the standard 921 bulb.

Both are 12V (or perhaps 1-2 volts higher). Neither of them were halogen.

In both cases, it should be written on the inside of the light housing.

Can't speak for the sconce, I don't have any of those.
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Old 09-15-2012, 10:39 AM   #7
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If your seven pin connector on the tow vehicle has the 12v , 40A connection to the tow vehicle then you will have up to +14.6 vdc at the RV battery while in transit. This condition could reduce the bulb life of the trailer light bulbs when they are left on ( porch light ) while in transit. Make sure you turn off interior and exterior porch lights when in tow, it might help a little.

Bruce S.
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Old 09-15-2012, 01:11 PM   #8
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Maryinredding Good time to convert to LED since your having burnouts. Larry
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Old 09-15-2012, 05:25 PM   #9
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All the light bulbs are 12 volt except if you have a ceiling fan and that's probably 120 volts. Some are automotive bulbs and some are the G4 hologen bulbs.

I agree with 19H F250 its a good time to start changing to LED lights. They don't get hot and use a 10th of the power.
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Old 09-20-2012, 08:49 PM   #10
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