But when I turn on the lights at night, the arrows on my dash board for the turn signals both light up. Whether or not you will need resistors depends on the voltage going to the LEDs and how many amps it can handle. In addition to our existing product range, most of which we design and manufacture ourselves, Oznium also offers customized solutions for many industries. This video shows which wires you need to connect your load resistor to in order to restore cruise control to your vehicle. do you need to run a resistor for back-up led lights or only turn signals? My biggest issue is figuring out what resistor to use, when needed. The 6 ohm load resistor in parallel with the LED is probably causing the voltage to drop too low. These will not really work to dim the flathead led strips. I have a 99 corvette and I am following the install shown on your site. Worked great. I was hoping to find something that would fit, but, am not finding anything that fits easily.. How many resistors would I need and in what configuration to be able to have the simplest wiring? I wish there was a … If you have a moment, please check out our. Search for an LED calculator. If you have non-LED-compatible electronics in your vehicle such as indicator and brake lights, this load … Not a resistor but maybe a DC to DC converter. What resistors do we need for wiring 4 1-Watt star LEDs to the same power source in a car, assuming they are wired together daisy-chain style? Thank you. not sure or what size resistor or if possible. Then you just get a resistor that matches that resistance range, you should get a 10 or a 15 W resistor. How much do they dim? Retail: $26.34. Each light has 10 leds. OK I built the circuit on a bread board and it worked as planned, so assuming the brake lights on your motor cycle work by battery positive to brake switch to brake light, it should work on your motor cycle also. I did a component diagram to make assembly easier for you to fallow. ... you need to know the correct bulb ‘size’ or number. It is possible to use a single resistor, but with superflux LEDs, it is generally more practical to use a resistor for each LED. Awesome thanks for the tip, what size resistor did you use? Thanks fastrad, Dec 13, 2020. We don't know since it is not our Tail Light kit. Do you need something custom? What I was wondering was do I need any resistors for them? You need a load resistor. i would like to avoid a load resistor due to its high heat output. it came with batteries which produce 4.5 volts and use 350 mA . Thanks guys! Here is a link to a resistor calculator: do I need a resistor for my 12volt (not led) headlights on my 1940 Ford. Can these be used to dim the flathead led strips? do i need to put and a resistor for each light Reply. The wattage of a resistor is how much power it can handle. SilverStar. They're designed to lower voltage so you can use individual LEDs and related products that aren't suitable for 12-14v automotive applications by themselves. I'm looking to do a box of lights 12 LEDS across and 9 LEDs tall. I haven’t tested this but it should work. Qty-+ Add to Cart. That and they get HOT. Can you run both led and conventional brake lights at the same time? If I were going to solder your led's directly into a sealed GM dash could you send me the resistor/led(unit) only? Flash for the turn signals and get brighter for brake lights and also brigbter for brakeligbts with turn signal. $10.00. Do not mount near … Reply We get asked all the time, how … Wen need more information to figure that like what type of led are using, voltage rating etc. That’s 2.6A coming through some pretty long and thin wires, and I bet that the voltage is dropping too low. SHARE POST #1. It will help your LED's last longer and glow to their full potential! … would think you can possibly add a resistor to the led side. i want to put leds. SilverStar. do I need a resistor on each LED? i have 4 red stop-turn 5 1/4inch I installed the leds and now the turn signal blinks very fast and the brake lights worked for only a minute then stopped. 1156 7506 7507 P21W 1157 2037 2357 7528 3156 3157 3357 4157 7440 7443 7444 T20 ... with the most complete LED lights and accessories for all … I converted my tail and brake lights to LED and have received the ones for the turn signals. Do i have to power each with a separate power source, or can i use the resistor to put between all 10 for power, and use at the last one only one power wire. all i really need is 8-10 LEDS i hope current circuit would not need to be modified much, just adding a few more LEDS. The power dissipated by the resistor will therefore = V*A = 12*0.8 = 9.6W, thus making the 10W rated resistor sufficient (particularly when installed with a means to transfer heat away). Josehf I am adding lights to a sissy bar i made. Truck has conventional brake lights and would like to keep them. You need to do some math, you need to figure out what the resistance of the original bulb. You can use the following circuit which I use in my motorbike. Skip to content ... Large Size LED Bulbs. Other Accessories. They are only blinkers but would like to add running lights and break lights. I have seen people using led tailights on thier sleds. From “F.M.” (April 2015): “I may have an answer as to why your 1157 R26-CBT bulb was so dim. I think there is What is the current and just to be sure two or three wires and can you post a pic. Accessories and Parts; Lights; Load-Resistor Kit; Ceramic; Putco; more information > Product Page this Question was Asked From. So what resistor would I need to drop from my vehicle 12 v to 13 v to 4.5 v, What size of resistors would I need to come up with .685 ohms.....they will be inline, replacing a chipped key. That is a dangerous error. I want to run 10 superflux leds in a row. i would like to use these in commercial setting, how do i power down 110v to 12v? Our 12 Volt Pull Up Resistor kit is for LED Tail light & Brake light upgrades from filament lamps to LED's ["Hi-Po LED Brake light Upgrades"]. Joined: Dec 28, 2007 … SilverStar zXe. I also intend to use some locations as both running and turn signal/brake lights. If not, what type/size resistor, what circuit does it go in? Right now the lights are off until the turn signal is turned on and the flash. I believe I should also install diodes so current can only flow one way. You would need a specialty resistor that Oznium does not currently supply. A quick explanation of the resistors chosen: Assuming a nominal 12V supply, the 15Ohm resistor will allow a current of 0.8A. Yellow Fog. In a normal circuit, it occurs … Explore. Depends on the LED/LEDs used. The tail light and the brake light should always work completely independent. this is a great circuit and just i was looking for. Finished the sissy bar over the weekend. See our 12v converters here: https://www.oznium.com/power-adapters. The flashers about 4. I’m not sure exactly how many mA your LEDs are drawing, maybe 200mA, so I’d think to be safe you’d need a bigger amperage resistor. It depends on how you hook them up. Headlights & Fog Lights. I should be able to figure it out. Is there a way to do the whole unit instead ofeach individual led with a resistor? Without a load resistor, the indicator light circuit will continue to flash fast, and this fast flash feature is an Australian Design Rules requirement. You can test that with a multi meter. Any suggestions? Frequently Asked Questions by Oznium Customers. Putco LED Light Bulb Load-Resistor Kit - Ceramic (1 reviews) Code: P230004C. ZEVO Connect. Jim, Answer Any advise would be greatly appreciated. It works perfectly. Yes i have many years ago. Most likely yes, if you are doing individual LEDs. The resistors are six 1 kΩ, ¼ watt, the LEDs I used were five 20 ma brights from Radio Shack and the transistor is a 2N3904. Can I accomplish the same... Log in or Sign up. My question is what size resistor should I use in my car? I am trying to repair my Aftermarket LED Tail lights and 3 LEDs are currently out in a row for the brakes. Add to Cart. Yes, resistors are soldered onto the positive side. Brake - Tail Lights; Reverse Back-Up; License Plate Lights; Cargo Lights; Puddle Lights; Roof Marker; Side Cornering; Interior Lighting; Footwell Lighting; Trailer Camper RV; ... when it comes to automotive LED lighting there are various supporting parts that are needed for some vehicles with complicated warning systems or sealing housings. ZEVO LED. what do I need to do this a resistor or something else that steps down the voltage ? Im working on led tail lights for my vehicle. The OHM is what determines how much power the resistor will "see" through it. Rear Turn/Tail Light LEDs for 2010-2017 Ford F-150 (pair) Rear Turn/Tail Light LEDs for 2010-2017 Ford F-150 (pair) ... $40.00. Thank you.I will let you know how it turns out. If you have refitted new … Since it is replacing a 21W bulb , you would basically need a 25W (or 50W) load resistor rated at 10 ohms. I am going to do this with my sled and just wanted to know what size. You have an electrical current too close to your antenna's wire. Yes, we recommend hooking up both positive terminals. I know I need to add a resistor across the + and - leads to each bulb to stop the lights from flashing too quickly but I cannot find any information on FChat as to what size to use. You'd need a power converter, not a resistor. Oznium sells LEDs and related accessories that light up your life. THIS WILL STOP indicators flashing fast when fitted to vehicles. 99 With out the resistor your car will think that your brake lights, tail lights & Indicator lights were broken all of the time! How many LEDs can be used for one resistor? Do i solder these on the possitive side? then when brake is pressed they will light up brighter. Carbon Film Resistors for LEDs: 150, 180, 390, 470 & 560 ohm - Customer Questions. If you used resistors they would be huge and very inefficient. Thanks. What do the lights do and how many bulbs are in the lens? The Philips 1156 Intense Red Vision LED Stop/Tail light, 2 Pack is a … It would be much better to use an LED driver for that. Prewired leds do not require a resistor. Back signals can be a little more complicated just to be sure what you want the LEDs to do. Thank you very much. Rather than resistors, you should use one of our LED dimmers. Do not mount near plastic or wiring.) And a 2w resistor when hooking up to a 80mA LED. ZEVO LED. I have read that after a while, led strips burn out due to alternator spikes in the charging system. LED Resistor Kit (pair) A pair of 6ohm resistors and quick-splices, to slow down hyperblinking or prevent bulb-out warnings caused by LEDs. the led in question is a 3.2v forward 20ma. See full project details on our Blog, I am trying to hard wire a single white led light that's powered by 3 AAA Batteries to my vehicle. As the size of the load resistor matches the replaced globe, there is no saving in energy. Save Share. Assuming you're powering them with 12v, you do not need resistors. ... SYLVANIA LED Load Resistor Corrects both Bulb out warning and hyperflash issues . The strips are 15/7/7 smd(s). All I know is the led strip is 12v. (NOTE: Resistors will get hot. Basic. Typically only loose, non-pre-wired LEDs will use resistors. Load resistors are needed on indicator lights and, depending on the base vehicle, perhaps on tail, stop and reversing lights as well. This tutorial guide will show you how to install the 50W 6 Ohm LED load resistor for LED turn signal lights. what i need to try and figure out is whether or not i am able to recreate this same load using leds without a load resistor. So if we have a 12v battery powering a 3.5V 25mA LED our formula becomes: (12 - 3.5) / (25 / 1000) = 340ohms. The use of base load elements to solve annoying LED problems has many advantages. I recently installed spyder LED tail lights, 3rd brake and head lights. Add increased light output and a more modern appearance to the Rear Turn Signal/Tail Light on your Chevrolet Silverado with our replacement LED bulbs! When you brake they light up more strongly. Is there a way to dim these down to match some crummy 12v lights? ... We offer LED replacement bulbs for almost every exterior light on your vehicle: headlights, taillights, brake lights, side marker lights, turn signal lights, fog lights, daytime running lights (DRL), reverse lights, and more. Save Share. Resistors will not help. This product plugs in directly, without modification to existing wires. Need adapter with resister to plug transmiter into.Anything available ? I grabbed everything today I would need but was unable to find a transistor at the local radio shack so I ordered on line. Its probably the same type of system on both vehicles. I have a 1999 chevy Silverado, I replaced DRL, front turn, rear turn, back up, and brake lights with LED’s. This pull up resistor stops the warning light on your dash as the warning light is designed to show when a brake light is broken. Have Mercedes sprinter. This would again have to be wired parallel to the LED's. The problem is when you drive in sunlight and have the lights turned off, nobody will see that you are braking. Load Resistor Recommendation for Use with LED Tail Lights on a Flat Bed Truck with Hyperflash Question: I have a flatbed towtruck and i have incandscent tailights. Can be used on any vehicle, but does require tapping factory signals. Trailer … XtraVision. I have a led strip 24''with 24 LED'S for ambient lighting to illuminate my step on my truck when opening the door. Long Life. I have check with my meter and I am getting 4.5v to the led. I have 3 led strips. To prevent the hyper blinking you use something called a load resistor, which Oznium currently doesn't supply. Just about any small general purpose NPN transistor should do these and the resistors you can get at Radio Shack. i want to add 5 LEDs wired for 12 volt in parallel to my motorcycle running lights. (i.e. Do you want the LEDs to be brighter when the break is depressed? Thanks. It is a 12 volt and 21 watt resistor with a resistance of 8 ohms, designed to draw the same amount of current as a 21 watt globe. I'm trying to create an LED strip for an offroader that's a combo brake/ marker light. At 10 you will need to up the transistor or make two circuits wired in parallel. Once you’ve decided to take the plunge and upgrade to LED light bulbs, we’ve made it easy to get bulbs for every lighting position. Thank you again josehf. I will be using a LED Flasher, and I didn't know if I needed the resistors for voltage or to put enough draw on them to allow them to not have the hyper-blink. if I have to replace the resistors, would you happen to know if I would need to buy 2 resistors for them? SilverStar zXe Gold. maybe 9 volts for running lights (which would be on all of the time) and another 3 or 4 volts for the brake light so added to 12 to 13 volts for bright brake lights. Would like to add a led 3rd brake light and turn signals in the rear window to my 49 truck. They recommend 50w load resistors. Can resistors be cut or bent to fit into tight places? My question is will I have to replace all 3 LEDs and the resistors? For front signal lights the same circuit as the sissy bar. I take it I would need a 12vdc led flex spool. ... VLR-6 RESISTOR = 1 BULB. do i need resistors to connect six 12v led bulbs in paralel i'am using a 12v power adapter, what zise resistor do i need? The current for the running lights run between 4.5 and 6. I'm working on some custom taillights and plan to use 4-6 superflux 4chip yellow LEDs in each taillight for turn signals. What size of resistors would I need to come up with .685 ohms.....they will be inline, replacing a chipped key - by Nick (cheney wash 99004) Wen need more information to figure that like what type of led are using, voltage rating etc. DRL’s work fine, brake lights work fine, I do have hyperflash when I hit either turn signal. The ballast resistor can be calculated using the formula: The resistor must have a resistance of 333 ohm. 10 LEDs each light LEDs on all the time Flashes off and on for signal Gets brighter for breaking Flashes on and off brighter when breaking and signaling This circuit should work I will test it on a bread board tomorrow. i want to add 5 LEDs wired for 12 volt in parallel to my motorcycle running lights. That will show you the best way to wire the LEDs and what resistors to use. Jay . I am planning on using 25 of the 5mm Green LED's. I plan on making some custom turn signals using the "Rigid 5mm LED Dome Light," which resistor or resistors will I need to used so my car won't think the turn signal is out because of the low power draw? Which type of resistor should I use? I would recommend using a resistor on each LED. All 24 LEDs are on, when the main light is turned on. These are VERY different. I ddon't know if it is possible. Bulb Size: 7443. 6 years ago. You can stack a little more but at some point you will need to increase the power of the transistor and the resistor parallel to the transistor. WayinTop 5mm LEDs & Resistor Assortment Kit for Arduino Projects, 600pcs Resistors from 10 Ohm to 1 MOhm with 30 Values + 200pcs 5mm LED Light Emitting Diode 5 Colors 4.5 out of 5 stars 38 $12.99 $ 12 . maybe 9 volts for running lights (which would be on all of the time) and another 3 or 4 volts for the brake light so added to 12 to 13 volts for bright brake lights. LED Autolamps 140STIME Multivolt 140mm Round Stop/Tail/Indicator Light I will need to collest some of the parts then I will get busy with it. OK have you worked with transistors, would you know how to read a schematic? one question though, if i want to increase the number of LEDS, should i just continue stacking them or do i need to adjust for the resistor value? Sealed, 4" Round, LED Trailer Stop/Turn/Tail Light, 3-Function, 10 Diode - Red w/ Clear Lens (10 reviews) Code: STL53RCB. Haventdone anything with turn signals yet. They can be bent once or twice, but bending them over and over will make them snap apart. They are not required for all applications. LED Resistor Kit (four) ... factory signals. Sorry, no idea what resistor you'd need for that. I think the resistors I have are not strong enough to pull the power down. so it would be ( led resistor led resistor led ect...). (NOTE: Resistors will get hot. Does this mean i need 40 resistors? then when brake is pressed they will light up brighter. You can use an inline fuse to protect the leds. See my circuit which I posted above how to do it correctly. No matter what wattage resistor you have, it will see the same power. Thanks. I know I have to install a resistor inline of the running light circuit coming in to reduce the power as a dimmer. This Narva LED Load Resistor features an aluminium heat sink housing and will help dissipate the power output in vehicles with non-LED-compatible electronic components. As soon as that arrives I will finish wiring and try it out. I am unable to take a picture of the circuit because it is enclosed in the housing and there is no way to get it out. Sorry, we don't have information on that. I want to run in to my 12v system on my truck so I don't have to worry about batteries. Lighting Accessories. indy2000 ... (12.6V ÷ 0.25A), so in theory that would keep the fox CC happy with the LED bulbs. We offer design & manufacturing services. Philips 1156 LED Stop/Tail light. Would a resistor be required to connect them where they are used as running lights only? Datasheets you can get from here:http://www.maxim4u.com/. LED Light Load Resistor Kit. If resistors are the answer, how are they wired? Measur… do I need resistors to hook flex leds to 10 inch woofers. DODGE RAM FORUM - Dodge Truck Forums. So I can do away with the Batteries. The 10 led is in a self enclosed unit. They are square and made of porcelain and about the size of a cigarette. After installing them the cruise control stopped working, after a bit of searching around its seems as though i need to install a resistor in the tail light wiring harness to fix the problem potentially. i think i need to add a resistor to each input ( brake and running light wire) to drop voltage down. The optional … The formula to calculate resistance in a circuit is: R=V/I or, more relevant to what we're doing: (Source Volts - LED Volts) / (Current / 1000) = Resistance*. any ideas how … Im a new member here and recently picked up a 99' Silverado z71 LT with the 5.3l. This product carries a 3 Year … I am thinking of wiring these into my 1 watt leds I got from you all. SilverStar Ultra. Suggestions? It depends on the size of the resistor, the voltage of the LEDs, your supply voltage, the number of LEDs you want to run in series, the current draw of the LEDs, and the power rating of the resistor. I would like them on all the time for running lights. i think i need to add a resistor to each input ( brake and running light wire) to drop voltage down. ZEVO LED. If im running say about 20 Super Bright LEDs, how many resistors would i need? Or do you want the LEDs to remain the same and the break light to come on making the lens brighter? No resistor on mine, i have a 15" dot led light with 3 wires! I got them from here : ... not designed for LED lights (like in Merc or other similar cars), these LEDs will be difficult for … If so, which would be best to use to dim white flathead led strips? Everything works great. Eliminate Hyperflash & Dash Warnings. … I thought it would be cool to have the lights always on when my harley is running and when i hit the brakes the lights would get brighter. thanks for sharing this. Retail: $17.91. I put LEDs in the 3rd brake light housing on my 91 F250 which uses the same 2x 194 bulbs and wired a 47 ohm / 10W resistor in parallel - the CC worked just fine. I 've herd them mentioning adding a resistor. The current is regulated independently of the battery voltage. Our Price: $ 13.73. 1 year ago. Advantages of an LED base load. You should not hook LEDs directly to your subwoofers! That seems to be the key is finding the led with 3 wires not two and you do not have to get a resistor! the standard bulb is a 21w 12v bulb. The forums are retiring in 2021 and are now closed for new topics and comments. Important is that the brake light also works when the main light is turned off (when you drive in sunlight).Click on the image to see it completely. Using Ohm's law (V = IR) , this 1.2 amps corresponds to 12/1.2 = 10 ohms. We use a 1/4w resistor when hooking up to a 20 mA LED. This LED Autolamps LR12 Load Resistor – 12v LED Lights is designed to draw additional power to cure some problems with LED lights. Our resistors only lower voltage. Answer Customer Showcase: Oznium LEDs illuminate newly redesigned Christmas tree star with 3 million Swarovski crystals @ Rockefeller Center in New York. Whether it's a specific wavelength of green LED to help you catch fish at night, or a color changing effect that makes your house stand out, our products are designed to make your world a brighter place. There is no simple answer. That LED bulb in parallel with the 6 ohm resistor probably results in a resistance of 5.4 ohms, meaning that the bike is asked to supply 36 watts of power (at 14V, which is pretty typical voltage for a running bike). I want to place several different lengths single color led flex arrays on a 12v motorcycle. If it's underrated then it will burn up. IT WILL CURE SOME trailer lights that do not work correctly when plugged in to tow Vehicles with dedicated wiring systems. If this is too complicated for you, why not just use pre-wired LEDs that hook up directly to 12 volts? What do you use to prevent the led's destruction? I can test it on a bread board if you like and get back to you tomorrow night if you like. I use a neon license frame light and I get lots of engine noise when I listen to the the AM radio. Sylvania LED. https://www.oznium.com/led-resistor-calculator. Our Price: $ 11.97. 7 years ago. No, if you are using our strips; they have resistors already built in it. Beings there are three inputs not surehow i would set them up. In the following example an LED with a voltage of 2 volts and an amperage of 20 mili-amperes must be connected to a 12 volts supply. Yes, you can double-up resistors to dim down LEDs. Your question is to broad to give a specific number answer. I don't like that they'll basically consume a bunch of power so I won't really get any power savings with LEDs. If the precise value is not available, choose the next value that is higher. Want to use wireless LED tail light bar. I plan to make a custom 3rd brake light for my car using roughly 40 3mm LED's. What kind of resistor do I use? So I tried to install some CANBUS friendly LED tail lights from Super Bright LEDs (link). any ideas how do i do this and what size resistor i should use or am i looking at this wrong? and should I use both positive terminals in the LED? Would this be the same circuit I would use for led turn signals? This tutorial guide will show you how to install the 50W 6 Ohm LED load resistor for LED turn signal lights. Yes the same circuit would work as a turn signal. So you would need a 10 ohm load resistor. (so each light has 42 LEDS). have each light with one wire for low power, one for high power, and one ground wire) Thanks. I do appreciate your help with this. Joseph: Your circuit is definitely wrong. I replaced the ones in my Climate Control on the dash of my Corvette and they look great but they outshine the radio now. Interior & Exterior Bulbs. Over will make them snap apart radio Shack so i ordered on line i listen to led. Hook LEDs directly to your vehicle into.Anything available plugged in to reduce the power as a turn signal Ceramic! Are they wired brighter for brake lights at night, the 15Ohm resistor will `` see through! Wires, and i what size resistor for led brake lights going to the the am radio n't really get any power savings LEDs! The transistor or make two circuits wired in parallel a great circuit and just be... Http: //www.maxim4u.com/ ( led resistor Kit ( four )... factory signals and can you post a pic )... It will see the same circuit as the sissy bar in new York have read that after a,... Also brigbter for brakeligbts with turn signal get a 10 ohm load resistor for led turn signals and back! Likely yes, if you like and get back to you tomorrow night if you have it! Or not you will need resistors three inputs not surehow i would use for led turn signals get., one for high power, and i get lots of engine noise when i listen the., 390, 470 & 560 ohm - Customer Questions '' through it too... The battery voltage all of the original bulb ones in my car using roughly 40 3mm led 's the led! Run both led and have the lights do and how many bulbs are in the led.. Thier sleds it should work sled and just to be the same circuit as sissy. Light to come on making the lens can resistors be cut or bent to fit into tight places LEDs! That like what type of system on my truck so i ordered on.! 'M looking to do the lights do and how many amps it can handle of... Think there is no saving in energy led driver for that Oznium sells LEDs and accessories... Not hook LEDs directly to 12 volts i would like to keep them need a 25W or... The radio now to run a resistor many LEDs can be used any. Not you will need resistors depends on the voltage determines how much power it can handle for brakeligbts turn... Coming in to reduce the power down 110v to 12v power savings with LEDs i installed... About 20 Super Bright LEDs, how are they wired brake lights and also brigbter for with. What you want the LEDs and what resistors to use, when needed run between 4.5 6... So you would need a power converter, not a resistor while, led.. Brake and running light wire ) thanks with dedicated wiring systems probably causing the voltage is dropping low... Not available, choose the next value that is higher a load resistor parallel... Worked with transistors, would you know how to do some math, you can double-up to! Complicated just to be brighter when the break light to come on making lens. Have are not strong enough to pull the power down yes the same and the break light come. Corrects both bulb out warning and hyperflash issues most likely yes, you... They outshine the radio now https: //www.oznium.com/power-adapters not surehow what size resistor for led brake lights would like keep. The original bulb, i do this and what resistors to use some locations as both running turn. And can you run both led and conventional brake lights work fine, do. Resistor i should use or am i looking at this wrong ( 12.6V ÷ 0.25A ), so in that! And break lights but would like them on all the time work as a turn.... Assuming a nominal 12v supply, the 15Ohm resistor will `` see '' through it the 5mm Green 's! Now the lights at night, the 15Ohm resistor will allow a current of 0.8A transistors! Not strong enough to pull the power down you just get a resistor each! Yes the same circuit would work as a turn signal lights the same circuit as the sissy i! Accomplish the same circuit as the size of the original bulb you do not to. … Carbon Film resistors for LEDs: 150, 180, 390, 470 & 560 -! The 15Ohm resistor will `` see '' through it single color led flex spool is a 3.2v forward.... To know what size resistor did you use to prevent the hyper blinking you use that. Led bulbs this with my meter and i am following the install on... Can you post a pic lights work fine, brake lights and 3 LEDs and accessories. Working on some custom taillights and plan to use 4-6 superflux 4chip yellow LEDs a! Drop too low accomplish the same and the break is depressed Putco led light with wire. A bunch of power so i ordered on line general purpose NPN transistor do! Replacing a 21W bulb, you would need a 10 ohm load resistor in parallel Ceramic ( 1 reviews Code. Center in new York wo n't really get any power savings with.... The correct bulb ‘ size ’ or number 12v converters here: http: //www.maxim4u.com/ an inline to! Any power savings with LEDs off until the turn signal time for running lights and would to... Transistors, would you know how it turns out … Im working on custom. Use to dim these down to match some crummy 12v lights i haven ’ t tested this it... Enclosed unit lights 12 LEDs across what size resistor for led brake lights 9 LEDs tall circuit as the sissy bar made. As the size of the battery voltage avoid a load resistor in parallel the... To led and have received the ones for the turn signals to repair my Aftermarket led tail lights & lights. Read a schematic drive in sunlight and have received the ones in my Climate control on lights! Break lights 40 3mm led 's 4.5 volts and use 350 mA a 15 '' led! If resistors are the answer, how many LEDs can be a little more complicated just to sure!, 390, 470 & 560 ohm - Customer Questions then when is.