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08-29-2020, 09:56 AM
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#1
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,395
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replacement 12v bulbs
I need to replace incandescent bulbs in my cabin overhead lights. They are 12V and there is no markings on the bulbs I have looked at. Is this a T5 bulb? Picture shows it next to a 22mag round for size.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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08-29-2020, 10:34 AM
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#2
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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If it's larger than the standard 194 it may be a 906 or a 921.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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08-29-2020, 10:41 AM
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#3
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,846
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If the contact wires are "bent around the glass base, they are 921's. You can buy LED replacement "multiple LED array" units that are cheaper than the actual incandescent bulbs and they use less energy.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-29-2020, 11:02 AM
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#4
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,221
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__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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08-29-2020, 11:16 AM
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#5
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,601
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That looks like a 921 bulb. I replaced all of mine with 921 T10 LED bulbs. Much, much more efficient and cooler. Something like these -
https://www.wish.com/product/5bbf526..._BwE&share=web
They come in different levels of brightness so you would have to pick how bright, or not, you want them to be. They are a huge improvement over the type in your picture.
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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08-29-2020, 12:33 PM
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#6
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,395
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I am not interested in LED at this time; only need one bulb. Not interested in changing my fixtures. Just have one burnt out bulb. Haven't a clue what 194, 906 or 921 bulbs are. The size is similar in length to a 22mag round.
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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08-29-2020, 12:58 PM
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#7
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,601
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You have a 921 bulb. Most are now led type but here is a link to a package of 10. You may be able to buy a single one somewhere if you look around at an RV store, or even an auto store might have one.
https://www.amazon.com/Arcon-16794-R...=fsclp_pl_dp_5
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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08-29-2020, 01:42 PM
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#8
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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The 194 bulb is typically what you find in the clearance lights on the outside and the "pancake" ceiling lights on the inside. The 921 is the same shape only larger and brighter.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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08-29-2020, 02:41 PM
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#9
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,237
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Quick search shows Oreillys auto parts has 2 packs.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-29-2020, 03:30 PM
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#10
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,846
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The photo I posted is available in the Auto Supply section at WalMart. They are also available at any hardware store, auto parts store and even at most Dollar General stores.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-29-2020, 07:14 PM
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#11
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,395
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I live quite away from any of the stores mentioned so bought a 10 of them for under $10 on eBay (free ship). Thanks to all who answered. We don't use the cabin lights in our camper to the extent there is a lot of energy use and I suspect that buying the more expensive LED lights or even light fixtures wouldn't balance the books. This is the first of the 921 type lights I have had to replace in almost 3 years.
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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