John Laninga Posted March 9, 2017 Report Share Posted March 9, 2017 So I have been a techie all my life and that applies to my RV too. So I have been watching LED as a replacement to halogen lights. In fact, I bought enough to replace all my halogen G4 bulbs three years ago. But after having them installed for a week we went back to halogen because the light just wasn't enough. If you look at the lights, they look bright, but they don't cast as much light on countertops etc. So I was pleased to see a new G4 LED a week ago that was much brighter. It was reviewed as being a good replacement for halogen, so I bought enough for my RV. Again, I changed one side of the RV with the new LEDs and it quickly became obvious these wouldn't work as well as halogen either. So I ordered new halogens and I will go back to halogen. In the future, I need to not believe all the reviews and buy less bulbs and test them myself before buying enough for my RV. == John 2015 Entegra Aspire 44B diesel pusher with 2017 GMC Acadia Denali toad Web site, albums, blog and more here Link to comment Share on other sites More sharing options...
docj Posted March 9, 2017 Report Share Posted March 9, 2017 Every bulb in our RV has been replaced with LEDs, both 12V and 120V, as appropriate. In each case I purchased them on the basis of the lumen output compared to the incandescent and/or fluorescent bulbs they were replacing. I don't rely on "reviews" of bulbs because they are inevitably subjective and most have no objectively measured information. I have not been disappointed with any of my purchases. The G4's I replaced all were rated at >500 lumens and a color temperature of ~3000K. Their output appears to be consistent with those specs. Sandie & Joel 2000 40' Beaver Patriot Thunder Princeton--425 HP/1550 ft-lbs CAT C-12 2014 Honda CR-V AWD EX-L with ReadyBrute tow bar/brake systemWiFiRanger Ambassador Follow our adventures on Facebook at Weiss Travels Link to comment Share on other sites More sharing options...
Bill Joyce Posted March 9, 2017 Report Share Posted March 9, 2017 I have not seen a good G4 replacement myself, at least that will fit in the little recessed fixtures we have. For normal sockets I have found acceptable replacement LEDs, but I always check the lumens to make sure they are at least as bright as what they are replacing. Many will be happy with less light, but not me. 2004 40' Newmar Dutch Star DP towing an AWD 2020 Ford Escape Hybrid, Fulltimer July 2003 to October 2018, Parttimer now. Travels through much of 2013 - http://www.sacnoth.com - Bill, Diane and Evita (the cat) Link to comment Share on other sites More sharing options...
lockmup68 Posted March 9, 2017 Report Share Posted March 9, 2017 Look for quality LEDs, like CREE. They have 8, 12, and 21 LED replacements RV LED replacement bi-pin bulbs. Choose the color and the lumens. Actually much brighter and more usable light than the halogens; takes it down about 5-8 degrees in the room just not having the halogens on. http://superbrightleds.com HTH, Shannon 2003 International Eagle 9200i, Cummins ISX, Freedomline 2007 Teton Scottsdale XT4 Link to comment Share on other sites More sharing options...
mptjelgin Posted March 9, 2017 Report Share Posted March 9, 2017 I have replaced all of the G-4 halogen bulbs in my trailer (12 fixtures total) with LED's and find the quality and quantity of light to be very similar. And I love the elimination of the intense heat that the halogen bulbs create. They are dimmable to some degree, but not as dimmable as the original halogen bulbs. I've had mine in for a few years now, but think that this is the link: https://store.marinebeam.com/12-led-side-pin-g4-replacement-bulb-sp-g4-12/ Mark & Teri 2021 Grand Designs Imagine 2500RL, 2019 Ford F-350 Mark & Teri's Travels Link to comment Share on other sites More sharing options...
noteven Posted October 20, 2017 Report Share Posted October 20, 2017 I have 20 - G4 dimmable halogen fixtures on board. Looking for a LED replacement bulb. There is not much room insided the reflector housing for bulbs not shaped like the original halogen. Anyone know of any? Thanks "Are we there yet?" asked no motorcycle rider, ever. Link to comment Share on other sites More sharing options...
kinseypw Posted October 20, 2017 Report Share Posted October 20, 2017 Got to agree with docj, check lumen output. When I was first replacing incandescents in my rig I bought "superbright" LEDs from China and one batch was half as bright as the other. For T10 bulbs I look for 200-300 lumens. I prefer 3500-4000K color but with 5-6000 for task lighting (above my desk for example). I have had great luck buying on EBay and paying $1-2/bulb Link to comment Share on other sites More sharing options...
GlennWest Posted October 20, 2017 Report Share Posted October 20, 2017 We have every light with exception of running lights, led. The little g4s we don't use a lot. Which we didn't when they were halagons either. Our Teton has an abundance of lights 2003 Teton Grand Freedom towed with 2006 Freightliner Century 120 across the beautiful USA welding pipe.https://photos.app.goo.gl/O32ZjgzSzgK7LAyt1 Link to comment Share on other sites More sharing options...
mptjelgin Posted October 20, 2017 Report Share Posted October 20, 2017 I have replaced all of the bi-pin halogen bulbs in our trailer with side-mount G4 Led bulbs. My halogen fixtures are small puck-type fixtures and the LED replacements fit fine. I have found that they are not nearly as dimmable as the original halogens, perhaps because the bulbs I buy have a constant current circuit that is rated for 10V - 30V and within that voltage range they are supposed to be constant. If being able to dim the lights is critical you may want to do some research on which (if any) LED lights have a similar range as the halogens. I see where some similar to mine are rated as dimmable with a PWM (pulse width modulator) dimmer. Pretty sure the dimmer switches in my trailer are simple rheostats so perhaps that is why mine won't dim much. Mark & Teri 2021 Grand Designs Imagine 2500RL, 2019 Ford F-350 Mark & Teri's Travels Link to comment Share on other sites More sharing options...
gjhunter01 Posted October 20, 2017 Report Share Posted October 20, 2017 We switched over to some cheap LEDs and were disappointed in that they were not as bright as the original lights. Then another RV'er show us some higher lumen's LEDs from E-bay and now that we have switched to them, they are way brighter than the original lighting. I guess you have to pay attention to the details, even with light bulbs. Greg Link to comment Share on other sites More sharing options...
Lou Schneider Posted October 20, 2017 Report Share Posted October 20, 2017 Blame the fixtures, not the LEDs. LEDs don't produce a point source of light like halogens do, so yes, they won't produce as much light in a fixture that's designed to capture and distribute a point source of light. No mystery there. But in fixtures that are designed to work with LEDs more distributed light output, they outshine (pun intended) almost every other kind of light. Especially in areas where heat and power efficiency are significant factors. Link to comment Share on other sites More sharing options...
Kirk W Posted October 21, 2017 Report Share Posted October 21, 2017 19 hours ago, Lou Schneider said: Especially in areas where heat and power efficiency are significant factors. I prefer the led lighting in my RV as much for the small amount of heat generated as for the efficiency of energy use. I have replaced many of the old, 12v automobile type of light fixtures and almost always there will be construction materials above them which have been turned some degree of brown from the cooking heat of that light. With led replacements that doesn't happen. Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
oldjohnt Posted October 21, 2017 Report Share Posted October 21, 2017 I cant cite any brand or specific models, but ALL my older RV incandescent light fixtures have been replaced with the flat panel multiple LED "lights" which yield more illumination versus the round bulb looking units. The energy savings (we do a lot of dry camping) and heat reduction is huge. Its a no brainer, just shop for the maximum lumens and efficiency versus cost as there are a ton of options at RV outlets as well as E Bay and Amazon etc. I have bough some newer all LED RV light fixtures that produce many more lumens then any of the replacement lamp/bulb older units. While I was a fan of halogen in years past, I'm pretty well all LED now. John T Link to comment Share on other sites More sharing options...
Tom_M Posted October 21, 2017 Report Share Posted October 21, 2017 I have a couple of recessed fixtures like the following: I replaced the halogen bulb with one of these: Available on eBay. This is for quantity of 10: https://www.ebay.com/itm/10-X-G4-Reading-Light-525-Lumen-15-SMD-5630-LED-Warm-White-Bulb-Lamp-12V-24V-AC-/222584541080?hash=item33d3128f98 Tom—————————————————2005 Born Free 24' Rear Bath Towing 1978 VW Bug convertible Minneapolis, MN Link to comment Share on other sites More sharing options...
Lou Schneider Posted October 21, 2017 Report Share Posted October 21, 2017 Good choice! The voltage specs of 10 - 30 volts means they're fully regulated and can withstand the normal voltage variations found in RVs. Unregulated LEDs will start to flicker and partially burn out in short order in RV use. AC or DC means they're polarity insensitive so they don't care which way they're inserted into the socket. Link to comment Share on other sites More sharing options...
oldjohnt Posted October 21, 2017 Report Share Posted October 21, 2017 Tom, those are the types I was speaking which are flat panel mounted so the light is directed downward as it should be. Of course the more LED's and/or more intensity each provides the most lumens. I'm sure there will be less wasted heat energy also. John T Link to comment Share on other sites More sharing options...
Kirk W Posted October 21, 2017 Report Share Posted October 21, 2017 5 hours ago, Tom_M said: I replaced the halogen bulb with one of these: I got mine from a different vendor but mine are self-regulated also and have served very well now for about two years. Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
Tom_M Posted October 21, 2017 Report Share Posted October 21, 2017 A word of warning about LEDs that contain a voltage regulator. The ones I purchased are great except for the fact that they radiate RF interference. Mine cause problems with TV reception for some channels that are broadcast on the VHF band. Since most channels are in the UHF band, it usually is not a problem. Higher priced ones may have better filtering that would correct the problem. It would be best to order one or two to start with and see if they cause any problems. Tom—————————————————2005 Born Free 24' Rear Bath Towing 1978 VW Bug convertible Minneapolis, MN Link to comment Share on other sites More sharing options...
EagleEye Posted October 21, 2017 Report Share Posted October 21, 2017 I'll second that they interfere with TV reception. We only use over the air TV and almost everywhere we go there are channels that won't work with I turn on certain lights. Jst something we have learned to live with. Dave and Marge 2010 Phaeton Motor Home Previous Mobile Suites 36 RSSB3 (for sale) and 2005 FL M2-106 Sport (for sale after 5er sells) Link to comment Share on other sites More sharing options...
Kirk W Posted October 22, 2017 Report Share Posted October 22, 2017 4 hours ago, Tom_M said: A word of warning about LEDs that contain a voltage regulator. The ones I purchased are great except for the fact that they radiate RF interference. Mine cause problems with TV reception for some channels that are broadcast on the VHF band Interesting! We have not had that problem. Good travelin !...............KirkFull-time 11+ years...... Now seasonal travelers.Kirk & Pam's Great RV Adventure Link to comment Share on other sites More sharing options...
lockmup68 Posted October 23, 2017 Report Share Posted October 23, 2017 On 10/20/2017 at 8:53 AM, noteven said: I have 20 - G4 dimmable halogen fixtures on board. Looking for a LED replacement bulb. There is not much room insided the reflector housing for bulbs not shaped like the original halogen. Anyone know of any? Thanks Remove the reflector or heat sink in the fixture. Then plenty of room. It is not needed with the leds. 2003 International Eagle 9200i, Cummins ISX, Freedomline 2007 Teton Scottsdale XT4 Link to comment Share on other sites More sharing options...
noteven Posted October 23, 2017 Report Share Posted October 23, 2017 46 minutes ago, lockmup68 said: Remove the reflector or heat sink in the fixture. Then plenty of room. It is not needed with the leds. Thanks I''ll check that out "Are we there yet?" asked no motorcycle rider, ever. Link to comment Share on other sites More sharing options...
oldjohnt Posted October 23, 2017 Report Share Posted October 23, 2017 A note regarding light fixture "reflectors". Its been yearsssssssss since I attended a week long Lighting Seminar at GE's Nela Park but I recall a few things lol and here is my pure albeit rusty "opinion" and as always no warranty, its been too long. 1) I agree there's much much less heat generated by that LED replacement lamp versus Halogen, so heat is not as much of a concern. 2) The flat panel LED's you chose already direct most light downward, so reflectance is far less an issue then if it were a round bulb looking light with some of the LED's up top. 3) That being said, it can still help and NOT harm if there's a reflector (be it white paint or metal etc) in top of the fixture so any stray light bouncing around and getting reflected is still directed down where most needed. 4) Best I recall FOOTCANDLES on a surface is a function of LUMENS x Coefficient of Utilization (CU) divided by unit area and the better the reflectance and fixture efficiency, CU, the more footcandles where needed. 5) I doubt your eyes will notice much if any difference with or without a top reflector (given the flat panel LED) and I'm ONLY saying if room and heat allow, it could possibly help ever so slightly and sure wont hurt. John T Link to comment Share on other sites More sharing options...
Keelandb Posted December 27, 2017 Report Share Posted December 27, 2017 I buy my led lights from M4. They are RV people. Link to comment Share on other sites More sharing options...
masterdrago Posted January 2, 2018 Report Share Posted January 2, 2018 One other thing to consider when replacing with LED lighting is the spectrum range (color temperature) Warmer is better (2800-3500K). https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side 1st Time RVer 2018 Montana 3791RD, 2018 Ram 3500 DRW Link to comment Share on other sites More sharing options...
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