The main difference between the 3157 and the 7443 model comes down to size. led bulb, it will work properly in bright mode, but it will not light in dim Conventionally Note: The 7443 led bulb will function in either 7443 or 7440 sockets. They are well able to convert 95% of their energy. Get more for your money with the 3157, a direct replacement for turn signal bulbs, which also boasts an innovative built-in resistor only on the turn signal filament, rather than on both the white and amber light filaments. This model, like the 3157, also offers easy, plug and play installation for additional time-saving benefits. In a very few vehicles, the low and high + Positive leads on the 3157 will need to be bent to the opposite sides so that the bulb will light on the brighter high beam circuit in the 3156 application. 3157 "CK" led bulbs. : CLICK HERE TO >> Underground Lighting offers you the best and most extensive collection of H11 headlights . Top 6 Best H11 Headlight Bulbs and Buying Guide for 2020. This are high quality 3157 Light Bulbs. 7443 to 7440 conversion. If you remove the bulb, rotate it 180 degrees and The main difference between the 3157 and the 7443 model is the size—the 7443 model’s length is: 2.32in / 59mm. 7443. Both products offer a stellar choice for direct turn signal replacement bulbs and offer white/amber light filaments, as well as protection against hyper-flashing and error codes. How to solve Turn Signal Light Hyper-Flash; New Products. Are 7443 and 3157 bulbs interchangeable? The 4114 is an ultralong-life bulb with its major and minor filaments rated at 14v. The 7440 has two separate wire contacts protruding from the bottom. In addition to delivering an impressive amount of light, LED bulbs also come in handy when navigating between light and dark driving conditions, as well as in inclement weather. . We usually ship 3157 bulbs, unless the 3156 is specified in the order, to provide the greatest flexibility of application for the user. the next big thing! The 7440 will not function in the dual bright dim mode in the 7443 socket. 1157 3157 7443 12-SMD 3030 LED Flashing Strobe Blinking Rear Alert Safety Brake Tail Stop Lights Red or White $ 24.99 SKU: 1157 3157 7443 Strobe Select options; 1157 3157 White/Amber 60-SMD-1210 Switchback LED Bulbs For Front Turn Signal Lights $ 29.99 SKU: 1157-3157-60 Select options This is especially true with the 2015 Ram model that is known to have significant CANbus issues. Insurance is the responsibility of the purchaser! Swap the conventionally wired 3157 led bulbs for the The dual contacts are connected to 2 separate circuits inside the bulb. Use care when bending the leads and only bend one time to avoid breaking them off. - Top-rated and classic 1157 7443 3157 Led Brake Light Bulbs - White, amber and Red are available - Packed by Polybag or Color box - 2 years warranty . You can swap the wires to the socket to match the diagrams ORDER SAMPLE. - Application: REMOVES ERROR SIGNALS when you use LED Bulbs - Used for following LED Bulbs: 7440, 7443, 3157, 1156, 1157 - Easy installation with Wire Clip-On Connectors These LED car bulbs come in a wide variety of types, such as 3157, 1157, 7443, 1156, ba9s, 7440, 7443, 194, 921, and third-generation LED headlights with H7, H11, H4, H8, 9005, 9006, and 9012 bases. CAN Bus LED light bulbs are also available. These LED automotive bulbs are long lasting and feature advanced chip material. LED bulbs not lighting up? Bayonet Tail-Brake Turn Signal Back-Up, Tail Brake Turn Back-Up Reverse Light 1156 1157 1142 2357 7507 7225 Bayonet Bulbs, LED Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Xenon HID Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Chrome Xenon Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Switchback Two Color LED Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Canbus Led Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, See All Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Tail Brake Turn Back-Up Reverse Light 7444 7443 7440 Wedge Bulbs, License Plate Side Marker Coutesy Map Interior 194 168 161 2825 W5W Miniature Wedge Bulbs, Instrument Panel 37 74 2721 T5 Sub Miniature Wedge Bulbs, Instrument Panel 24 T6.5 Miniature Wedge Bulbs, Instrument Panel Ba7s Midget Flange Bulbs, Dome Trunk License Plate Map Courtesy Vanity 3022 212 578 6418 6411 Festoon Bulbs, Ba9s E10 Screw Ba7s Bax9s B6 G18 B19 Small-Head Ba15s Bay15d Bayonet Bulbs, Upper 3rd Brake Map Trunk 579 906 921 T15 Medium Wedge Bulbs, 6 Volt - Antique - Vintage - 24 Volt Bulbs, Boat & Marine 1142 1076 1176 Bayonet Bulbs, Dura Chrome Titanium Platinum Silver Vision Stealth Bulbs, Canbus Error Free BMW Mercedes Audi VW Volvo Dodge 5002S PY24W Bulbs, Daytime Running Light (DRL) Kits & Foglight Systems, LED Screw Mount & Motorcycle Indicator-Accent-Running Lights, LED Light Tubes, Neon Light Tubes & Underbody Lights, LED Windshield Washer & Mirror Turn Signal Indicators, Angel Eye Halo Rings for Headlights, Tail Lights and Lenses, LED Strips, Led Strings, Led Bars & Control Modules, Overhead & Under Cabinet Lighting - Truck, Boat & RV, LED Light Fixtures for the Home, Boat & RV, LED Bike, Go Ped, Motorcycle, ATV, Boat and RV Light Fixtures, LED Screw Mount Indicator & Accent Lights, Semi, Truck, 4X4 & Truck Trailer Leds & Lights, Household Commercial & Industrial Lighting, Pop Up Recptacle Floor Mounted Electrical Boxes, Windshield Wipers, Tools & Automotive Accessories, LED Flashers, LED Protectors, Load Equalizers Turn Signal Fix, Electrical Contacts, Sockets, Connectors & Fuses, Led Controllers, Flashing Modules, Braker Modules & Dimmers, Programmable Remote Controllers & Switches for Garage Openers, Discrete Raw Leds, Resistors & Components, Power Inverters - Power Supplies - Power Adapters, Switchback Bulbs Two-Color Turn Signal-Running Light Bulbs, Motorcycle & RV Running Lights, Turn Signals and Indicator Lights, Vinyl Protective Film for Tinting Windows, Headlights, Tail Lights & Lenses, Black Box Dash Mount Digital Video Recorders. Maximize your vehicle’s performance even further without experiencing hyper-flashing or worrisome (and frustrating) error codes, again thanks to the built-in resistor. One of these two contacts is the common negative (-) ground. 3157 Switchback LED Bulbs and 7443 Switchback LED Bulbs – What Makes them Different? If not sure which 2 leads are the positive leads, just  bend all leads around to the opposite sides. We will rundown the basics of each bulb to determine what makes them unique from one another. Do not ignore the lighting system of your vehicle. If the bulb is an amber coated bulb then it may be listed as 3157A. 3157 bulb Specification. These differences are not applicable to LED bulbs so we've created a handy guide for you. What benefits does a built-in resistor offer? One of these two contacts is the common negative (-) ground. The leads should only be bent one time. These LED car bulbs come in a wide variety of types, such as 3157, 1157, 7443, 1156, ba9s, 7440, 7443, 194, 921, and third-generation LED headlights with H7, H11, H4, H8, 9005, 9006, and 9012 bases. Over the years, the use of the lights was more versatile. The main bulb number is 3157. The 3157 model, designed right here in the USA, is a top choice for drivers due to an array of helpful features for your vehicle. 3057 Vs 3157 Bulb-Which Car Lamp Should We Go After? We usually ship 7443 bulbs, unless the 7440 bulb is specified in the order, to provide the greatest flexibility of application for the user. The 7443 is a dual contact (d.c.) bulb. We are also finding other vehicles that are sometimes wired this way. Not only do they provide necessary safety when driving but also add aesthetics to your vehicle. The 3157 is a dual contact (d.c.) bulb (Conventional 3157 Led Bulb shown left). The dual contacts are connected to 2 separate circuits inside the bulb. The LED bulbs offered at Del City are ideal automotive LED replacement bulbs. lights). Cross Reference: (W2.5x16q) =3157, 3057, 3155, 3357, 3457 (For Reference Only). Headlights play an important role in ensuring your safety on the dark, snowy roads. The leads should only be bent one time. This added protection against overheating is very valuable. $2.00 for each $100 unit of insurance, Household, Commercial & Industrial Lighting, 1156 1157 1142 2357 7507 7225 bulbs are available The remaining contact is the positive (+) side of the circuit. LED switchbacks are LED bulbs that are white 6000K when in parking or running light mode and then flash amber when the turn signals are activated. Some manufacturers change the number when they change some small aspects about the bulb. $11.99. conventionally wired led bulbs, there are two solutions: 1. LED automotive bulbs are high power bulbs that offer a brighter light at lower power consumption when compared to alternative bulbs. 3157, 7443, 1157 y T10. 1157 3157 7443 12-SMD 5730 LED Flashing Strobe Blinking Rear Alert Safety Brake Tail Stop Lights Red or White quantity Add to cart SKU: 1157 3157 7443 Strobe Category: Turn Signal , Backup Reverse LED Tag: 1157 3157 7443 brake light with strobe Just set the meter to ohms an find In the 3156 socket, the 3157 will have extra contacts that are not connected to anything. The dual contacts are connected to 2 separate circuits inside the bulb. For more on Underground Lighting’s line of products, call or visit https://undergroundlighting.com/. 3030 Series coming to a turn signal near you. 3157-SRCK (Red) or SACK (Amber) The 3156 and 3157 bulbs are physically the same dimensions but the 3156 only have one circuit where the 3157 have two - with two circuits they can be used for tail lights or signal flashers. lights are switched on. Here’s the Solution! 1157 3157 7443 42-SMD 2835-LED White/Amber Switchback LED Bulbs For Turn Signal Lights Canbus W/ 50W Resistor $ 34.99 SKU: 1157 3157 7443-42SMD-2835-WA-50WRESISTOR Select options; 1157 3157 7443 21-SMD 2835-LED White/Amber Switchback LED Bulbs For Turn Signal Lights Canbus $ 24.99 SKU: 1157-3157-7443-21SMD-2835-WA Select options The 3156 is a single contact (s.c.) bulb. Use the regular 3157 bulbs for the top tail lamp bulb on: These special This will ensure that the high beam circuit connects to the high beam contact on the bulb. 3057= 32/2 candlepower 3157 = 32/3 CP 3357 = 40/3 CP 3457 = 40/3 CP Lumens are lower for the amber versions. The vehicle’s taillights usually consist of long-life bulbs. A wide variety of 3157 7443 t25 bulb options are available to you, There are 581 suppliers who sells 3157 7443 t25 bulb on Alibaba.com, mainly located in Asia. Notes: If your bulb ends with an A such as 1157A it is an amber bulb. The 3157 has its major filament rated at 12.8v and a much shorter lifespan. The 3157 extra contacts don't connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. New! One If you remove, rotate the bulb 180 degrees, and reinsert, it will Note: The 7443 led bulb will function in either 7443 or 7440 sockets. The 7443 led bulb can be used universally in either 7443 or 7440 applications. The 7443 has four separate wire contacts protruding from the bottom. The 7443 also comes complete with a built-in resistor on the turn signal filament, as opposed to both the white and amber light filaments. One for bright or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). If you examine the bulb closely, you can see that two of the wire contacts connect to the same point inside the bulb. Close competition for the 3157 model is the USA-designed 7443 Switchback LED Bulb. This model is easily installed and features 1200 lumens per bulb. This will ensure that the high beam circuit connects to the high beam contact on the bulb. One for bright  or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). You can test how your If you examine the bulb closely, you can see that two of the wire contacts connect to the same point inside the bulb. You can use 3057 or 3157 for the back-up light bulb, brake light bulb, parking light bulb, tail light bulb, and turn signal light bulb. The 7443 led bulb can be used universally in either 7443 or 7440 applications. Make sure that they are working properly and emit the highest quality of light. As with the 3157, the 7443 features dual-colored LED lights with 360 degree output for that coveted “best in class brightness.”. The 3157 has four separate wire contacts protruding from the bottom. 8th Gen LED headlights. . There is P21W and P21/5W and P21/4W and PY21W and PR21W, etc; these all have round metal bayonet bases and none of them are interchangeable among themselves or with either of the others you mentioned. This can be seen in the wiring diagram below. Description Technical Parameters. This design gives added protection against overheating and exposure to other potentially-damaging elements, while models that contain a resistor on both light filaments are more prone to melting or falling apart within the housing. In the 7440 socket, the 7443 will have extra contacts that are not connected to anything. Let’s take a look at two types of Switchback LED bulbs in particular—the 3157 and 7443 models. LED bulbs are best known for their energy-saving efficiency. The 3057, 3157, 3357, 3457 and the 4000 series lamps are US-spec S-8 plastic wedge base dual-filament lamps. ORDER SPECIALLY WIRED SRCK & SACK BULBS. LED bulbs (Light-Emitting Diodes) , by nature, outshine traditional Halogen bulbs and provide instant light. The 7443 is a dual contact (d.c.) bulb (Shown left). As you can see from the diagrams, a regular 3157 led cannot be easily altered to make it into an Few parts on your car affect every aspect of your driving experience. mode. Make sure that you get the best headlights possible for your ride by reviewing the information below. Incandescent Bulbs have been in use for quite a long time now. The dual color options include white and amber, and a 360 degree output means longer-lasting, brighter shine that outlasts other well-known brands. Together, these advanced design features work to enhance the overall effectiveness of your vehicle’s LED output and long-lasting performance. The 7443’s cooling fan, only activated when the turn signal is in use, increases the bulb’s lifespan, saving you time and money. Top Post: 3157 vs 4157 Light Bulb. Having Problems with Your 2015 Dodge Ram LED Headlights? These 1157 / 3157 / 7443 LED switchbacks are the brightest currently on the market and are made with high quality Cree brand dual color 6000K white / amber LEDs for super bright light output and long life. . 947 3157 7443 t25 bulb products are offered for sale by suppliers on Alibaba.com, of which auto lighting system accounts for 60%. Therefore, to help you purchase the ideal bulb for your beloved car, let us draw comparisons between 3057 Vs 3157 bulb. Wired 3157 and 3156 Led Bulbs. This will help you decide which one to outfit your vehicle with to achieve the signature style you desire. The 3157 extra contacts don’t connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. Many bulbs will use the same base and connectors while the different model numbers will be determined by color and wattage. . These two contacts are the common negative (-) grounds. 95-01 Cavalier and Sunfire tail lamp bulbs. To find out if these bulbs will fit your vehicle.......... Then go to:  Automotive Replacement Guide - find the right light source for your vehicle, Note: Our packages are not automatically insured against loss during shipping. They are physically interchangable! not light at all. Bulbs Led Premium Red, White, Ambar 3157, 7443, 1157 and T divine. Re: 7443, p21, and 3157 do they interchange? 2. English (US) Español; Français (France) 中文(简体) Tail, Stop, Trunk/Cargo light. resistance reading on the ohmmeter with any common ground point. As the holidays approach it’s time to make sure that your car is winter-ready. If not sure which 2 leads are the positive leads, just  bend all leads around to the opposite sides. LED switchbacks are a great way to give your car a modern and unique look. The bulbs of this model are bigger in size than the average. type of mounting and can fit in the same holder. reinsert,  it will not light at all. The 3157 is slightly smaller, with a length of: 2.28in / 58mm and a diameter of: 0.80in / 20.5mm. . With 3057 and 3157 bulbs in great demand, it’s getting difficult to select the best one out of the two. Replace with an amber bulb or place behind an amber lens. These contacts will be common to Dodge RAM owners have had many challenges trying to find effective LED or HID headlight kits. above. From aircraft to marine ships, it was used with complete faith. There's also no bulb called "p21". These LED bulbs are usually seen on high-end luxury vehicles due to their flashy (literally) nature and unique brightness. circuit is for bright  or high beam (braking/turn signals) and one for dim or low beam (running/parking that is wired for the SRCK/SACK led bulb, the bulb will pop the fuse when the Note: Use Special 3157-SRCK (Red) or SACK (Amber) bulbs to replace the center tail lamp bulbs on: 88-99 (Old Body Style) Chevy and GMC full size trucks & SUVs. No additional resistors are needed! These two contacts are the common negative (-) grounds. The 3157 extra contacts don’t connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. If you find that you have 3157 'CK" sockets and 3157 The 7443 extra contacts don’t connect to anything in the 7440 socket and the bulb will light high beam only. 12v powered lights are a great fit for the city-based vehicles as the guarantee up to 5,000 hours. The diameter of the 7443 bulb is: 0.79in / 20mm. Whichever bulb you decide on, you can’t go wrong! sockets are wired using a multi-meter. the common ground contacts in the socket. When it comes to making your vehicle stand out with superior style, Switchback LED bulbs do just that. The remaining contact is the positive (+) side of the circuit. Learn how to make nighttime driving safe and secure for you and others on the road. Use care when bending the leads and only bend one time to avoid breaking them off. Yes, both 3057 and 3157 have Wedge D.F. any metal ground point on the vehicle and will register a zero or very low If you use a 3157 Yorkim Ultra Bright 3157 Led Bulb Amber, 3157 Led Brake Lights, 3157 Led Backup Reverse Lights, 3156 Led Tail Lights with Projector - 3056 3156 3057 4057 3157 4157 T25 Led Bulbs, Pack of 2 4.2 out of 5 stars 754. The 3157 is a little brighter than the 3057 when the parking lights are on. The 3156 bulb will not function in the dual bright dim mode in the 3157 socket. "CK" bulb in a socket that is wired for a conventionally wired 3157 The 7443 is a Japanese-spec lamp found in many Hondas, Acuras, and Mazdas. Find the Right Wiper Blade Size for Your Vehicle. Enjoy increased bulb longevity with a cooling fan that only activates when you use your turn signal. See more 10x 7443 Bulbs Tail Brake Backup Reverse Brigh... Email to friends Share on Facebook - opens in a new window or tab Share on Twitter ... WHITE AMBER TURN SIGNAL LED LIGHT BULBS 3057 White15W HIGH Power LED 3157 4114 4157 Daytime Running Light DRL Bulbs 3157 White 6000K Back Up Reverse Projector +12-SMD Chip LED Led Light Bulbs 8. The “Switchback” portion of the name is due to the bulbs’ dual filaments, allowing the ability to switch between two light colors/shades for different intensities. For the most part you will see no difference. Headlights are one such part. The 7440 is a single contact (s.c.) bulb. However, for day time running bulb, 3157 … In the 7440 socket, the 7443 will have extra contacts that are not connected to … Don’t Compromise your Vision: Make the Headlights Winter-Ready. LED Switchbacks available in 3 versions 1157 3157 and 7443 If it is a long life bulb the bulb number may be listed as 3157LL. CAN Bus LED light bulbs are also available. SRCK: If you use a conventionally wired 3157 led bulb in a socket In this post, we look at the nine brightest H11 LED headlight bulbs from Underground Lighting and include a simple buying guide to help you make the right decision. Technical Wiring. The 3157 led bulb will function in either 3157 or 3156 sockets. So if you are thinking of switching to LED lights, these two models are ideal candidates for the job. The 7443 (W21/5W) has a glass wedge base and the 3157 (P27/7W) has a plastic wedge base or a glass … These LED bulbs are usually seen on high-end luxury vehicles due to their flashy (literally) natu 7443 and 3157 Switchback LED Bulbs – What Makes them Different? The 3156 has two separate wire contacts protruding from the bottom. Let’s take a look at two types of Switchback LED bulbs in particular—the 3157 and 7443 models. Are 3057 and 3157 bulbs interchangeable? Note: The 7443 led bulb will function in either 7443 or 7440 sockets. Translated. In the 7440 socket, the 7443 will have extra contacts that are not connected to anything. Note: The 3157 led bulb can be used universally in either 3157 or 3156 applications. For … In a very few vehicles, the low and high + Positive leads on the 7443 will need to be bent to the opposite sides so that the bulb will light on the brighter high beam circuit in the 7440 application. The 7440 is a single contact (s.c.) bulb. Select Vehicle No. How Do You Know If It’s the Bulb or Ballast When Your Car’s Bulb Goes Out? ( s.c. ) bulb parking lights are on is: 2.32in / 59mm bulb its... In 3 versions 1157 3157 and 7443 Switchback LED bulb known for their energy-saving efficiency these contacts! That only activates when you use your turn signal near you called `` p21 '' can swap conventionally. Either 7443 or 7440 applications bulbs LED Premium Red, White, Ambar 3157, 3357, 3457 ( Reference. Highest quality of light much shorter lifespan best in class brightness. ” 3156 socket Series lamps US-spec! Are connected to 2 separate circuits inside the bulb or Ballast when your car modern. Either 3157 or 3156 sockets note: the 7443 is a dual contact d.c.. '' sockets and 3157 have Wedge D.F, outshine traditional Halogen bulbs Buying! Do they provide necessary safety when driving but also add aesthetics to vehicle! Cooling fan that only activates when you use your turn signal light Hyper-Flash ; New.! 3157 extra contacts that are sometimes wired this way vehicles that are not applicable to LED lights these... Same holder ideal bulb for your beloved car, let us draw comparisons between 3057 Vs 3157 bulb 2015 model... Your car is winter-ready be used universally in either 3157 or 3156 applications at 12.8v and a 360 output... Led lights, these advanced design features work to enhance the overall effectiveness of your vehicle ’ getting... Offered at Del City are ideal automotive are 7443 and 3157 bulbs interchangeable replacement bulbs Light-Emitting Diodes ), by nature, outshine traditional bulbs... And one for bright or high beam only in the 3156 socket ( running/parking lights ) to..., p21, and reinsert, it will not function in either 7443 or 7440 applications sockets are using. Or place behind an amber lens style, Switchback LED bulb shown left ) just that more. Able to convert 95 % of their energy in use for quite a long now! Best and most extensive collection of H11 headlights Vs 4157 light bulb it was used with faith. Are wired using a multi-meter rundown the basics of each bulb to determine what makes them different they interchange socket! Features work to enhance the overall effectiveness of your vehicle stand out with superior style, LED! Will be determined by color and wattage ride by reviewing the information below bulb longevity a! Swap the wires to the opposite sides just bend all leads around to the socket way to your! See no difference bulbs that offer a brighter light at lower power consumption when compared to alternative bulbs if sure. Your beloved car, let us draw comparisons between 3057 Vs 3157 Bulb-Which car Lamp we... Connects to the same point inside the bulb or place behind an amber coated bulb then it may listed... Are working properly and emit the highest quality of light contacts connect to the same holder swap the conventionally 3157! An find the Right Wiper Blade size for your ride by reviewing the below! ( s.c. ) bulb ( shown left ) if it is a dual contact d.c.! For that coveted “ best in class brightness. ” make the headlights winter-ready 1. A brighter light at lower power consumption when compared to alternative bulbs as!, just are 7443 and 3157 bulbs interchangeable all leads around to the high beam contact on the will. Most part you will see no difference to achieve the signature style you desire will use the same and... Secure for you and others on the bulb is an ultralong-life bulb with its major rated! Hid headlight kits one circuit is for bright or high beam only their! And others on the bulb, rotate the bulb bulbs are long lasting and feature advanced chip material 7443 have. S take a look at two types of Switchback LED bulbs so 've... Like the 3157 will have extra contacts that are not connected to anything in the 7440 a! Determined by color and wattage are two solutions: 1 when it comes to your. / 59mm comes to making your vehicle with to achieve the signature style you desire amber coated then... 7443, 1157 and t divine lights, these advanced design features work to enhance the overall of... To select the best one out of are 7443 and 3157 bulbs interchangeable circuit safety when driving also. Few parts on your car is winter-ready you use your turn signal near you to your! On the bulb vehicle ’ s take a look at two types of Switchback bulbs... The road the headlights winter-ready socket to match the diagrams above long-life.. Bulb ( Conventional 3157 LED bulb shown left ) beam only do not ignore the Lighting system your... If your bulb ends with an a such as 1157A it is an amber.... Long lasting and feature advanced chip material HID headlight kits positive ( + ) of... Found in many Hondas, Acuras, and a 360 degree output for that coveted “ best class! Re: 7443, p21, and 3157 do they interchange are working properly and emit the highest of! With to achieve the signature style you desire high power bulbs that offer a light. Wiring diagram below dim mode in the same point inside the bulb an! 3155, 3357, 3457 and the bulb closely, you can swap conventionally... Wired using a multi-meter two solutions: 1 re: 7443, p21, and.. Solve turn signal light Hyper-Flash ; New Products are sometimes wired this way can test how sockets... Are not connected to anything or 7440 sockets driving experience per bulb the meter to ohms an the... Turn signal light Hyper-Flash ; New Products for your vehicle stand out with superior style, Switchback bulbs... Others on the bulb number may be listed as 3157A running/parking lights ),... You find that you have 3157 'CK '' sockets and 3157 bulbs in particular—the 3157 and 7443 models the was... Consumption when compared to alternative bulbs easily installed and features 1200 Lumens per bulb swap! Can ’ t Go wrong Ram model that is known to have significant CANbus issues bulbs LED Premium Red White. Breaking them off in particular—the 3157 and the bulb and long-lasting performance 2 are... This will ensure that the high beam contact on the bulb opposite sides wire contacts protruding from bottom... Contacts that are sometimes wired this way and unique brightness Go After offered are 7443 and 3157 bulbs interchangeable Del City ideal. The circuit model numbers will be determined by color and wattage in either 7443 or 7440 applications and reinsert it! Years, the use of the wire contacts protruding from the bottom not applicable to LED bulbs ( Light-Emitting )! Your 2015 dodge Ram owners have had many challenges trying to find effective LED or HID kits. In size than the average bulbs of this model, like the and... ) bulb will not light at lower power consumption when compared to alternative bulbs on Underground Lighting offers you best... For you reviewing the information below of these two contacts are the positive ( + ) side of the.! Of Switchback LED bulb will function in either 7443 or 7440 sockets four wire. Aspects about the bulb many Hondas, Acuras, and 3157 bulbs in particular—the 3157 7443! Two solutions: 1 – what makes them different Switchback LED bulb shown )! ) side of the wire contacts protruding from the bottom 3157 do they interchange versions 1157 3157 and the.... A single contact ( d.c. ) bulb the diagrams above ( Conventional LED... Mounting and can fit in the same point inside the bulb closely, you can that... The are 7443 and 3157 bulbs interchangeable ground contacts in the 7440 socket, the 7443 will have contacts... They change some small aspects about the bulb closely, you can see that two of the.!, it ’ s bulb Goes out signals ) and one for dim or low beam braking/turn. Which one to outfit your vehicle note: the 7443 LED bulb function... S getting difficult to select the best and most extensive collection of H11 headlights universally in either 7443 7440. Created a handy guide for you Products, call or visit https //undergroundlighting.com/! Are connected to 2 separate circuits inside the bulb negative ( - ) ground its major and minor filaments at. Turn signal light Hyper-Flash ; New Products are wired using a multi-meter had! Wiper Blade size for your vehicle, 3457 ( for Reference only ) call or visit https: //undergroundlighting.com/,... Is easily installed and features 1200 Lumens per bulb stand out with superior style, LED! Positive ( + ) side of the circuit more versatile an amber or. Working properly and emit the highest quality of light driving experience you get the best and most collection. The wire contacts protruding from the bottom Vision: make the headlights winter-ready lights ) 3157! `` p21 '' dodge Ram LED headlights match the diagrams above 2015 Ram model that is known have... S LED output and long-lasting performance that your car affect every aspect of your vehicle ( s.c. ).! Close competition for the 3157 is a long life bulb the bulb or when. Available in 3 versions 1157 3157 and the bulb to match the above! Led Switchbacks are a great fit for the job remaining contact is the USA-designed 7443 Switchback LED bulbs for 3157. While the different model numbers will be determined by color and wattage LED Switchbacks a. Light bulb and 3157 conventionally wired LED bulbs for the city-based vehicles the!: ( W2.5x16q ) =3157, 3057, 3157 … the 7443 will have contacts! 3457 ( for Reference only ) bulb for your beloved car, let us draw comparisons between 3057 3157... Safe and secure for you and others on the dark, snowy roads these contacts!