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. The 3157 has its major filament rated at 12.8v and a much shorter lifespan. Are 3057 and 3157 bulbs interchangeable? The leads should only be bent one time. In the 7440 socket, the 7443 will have extra contacts that are not connected to anything. 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? led bulb, it will work properly in bright mode, but it will not light in dim Yes, both 3057 and 3157 have Wedge D.F. These two contacts are the common negative (-) grounds. 7443 to 7440 conversion. reinsert,  it will not light at all. The remaining contact is the positive (+) side of the circuit. We will rundown the basics of each bulb to determine what makes them unique from one another. 3057 Vs 3157 Bulb-Which Car Lamp Should We Go After? English (US) Español; Français (France) 中文(简体) Make sure that you get the best headlights possible for your ride by reviewing the information below. The dual contacts are connected to 2 separate circuits inside the bulb. We are also finding other vehicles that are sometimes wired this way. The diameter of the 7443 bulb is: 0.79in / 20mm. You can test how your The 7443 extra contacts don’t connect to anything in the 7440 socket and the bulb will light high beam only. LED bulbs are best known for their energy-saving efficiency. If you examine the bulb closely, you can see that two of the wire contacts connect to the same point inside the bulb. 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. $2.00 for each $100 unit of insurance, Household, Commercial & Industrial Lighting, 1156 1157 1142 2357 7507 7225 The 3156 bulb will not function in the dual bright dim mode in the 3157 socket. The 7440 is a single contact (s.c.) bulb. If it is a long life bulb the bulb number may be listed as 3157LL. The 3157 is slightly smaller, with a length of: 2.28in / 58mm and a diameter of: 0.80in / 20.5mm. The dual contacts are connected to 2 separate circuits inside the bulb. Re: 7443, p21, and 3157 do they interchange? The 3057, 3157, 3357, 3457 and the 4000 series lamps are US-spec S-8 plastic wedge base dual-filament lamps. The 3157 has four separate wire contacts protruding from the bottom. Therefore, to help you purchase the ideal bulb for your beloved car, let us draw comparisons between 3057 Vs 3157 bulb. Many bulbs will use the same base and connectors while the different model numbers will be determined by color and wattage. The 7440 has two separate wire contacts protruding from the bottom. above. Incandescent Bulbs have been in use for quite a long time now. 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. Together, these advanced design features work to enhance the overall effectiveness of your vehicle’s LED output and long-lasting performance. 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 CAN Bus LED light bulbs are also available. Conventionally 3157, 7443, 1157 y T10. They are physically interchangable! One of these two contacts is the common negative (-) ground. The bulbs of this model are bigger in size than the average. LED automotive bulbs are high power bulbs that offer a brighter light at lower power consumption when compared to alternative bulbs. the next big thing! One for bright or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). If you remove the bulb, rotate it 180 degrees and Just set the meter to ohms an find not light at all. As with the 3157, the 7443 features dual-colored LED lights with 360 degree output for that coveted “best in class brightness.”. - 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 Notes: If your bulb ends with an A such as 1157A it is an amber bulb. This will help you decide which one to outfit your vehicle with to achieve the signature style you desire. 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 These differences are not applicable to LED bulbs so we've created a handy guide for you. If you use a 3157 For the most part you will see no difference. Underground Lighting offers you the best and most extensive collection of H11 headlights . that is wired for the SRCK/SACK led bulb, the bulb will pop the fuse when the This is especially true with the 2015 Ram model that is known to have significant CANbus issues. LED switchbacks are a great way to give your car a modern and unique look. 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. These two contacts are the common negative (-) grounds. sockets are wired using a multi-meter. 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 7443 also comes complete with a built-in resistor on the turn signal filament, as opposed to both the white and amber light filaments. . Headlights play an important role in ensuring your safety on the dark, snowy roads. One of these two contacts is the common negative (-) ground. 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. 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. We usually ship 3157 bulbs, unless the 3156 is specified in the order, to provide the greatest flexibility of application for the user. - 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 . Swap the conventionally wired 3157 led bulbs for the How to solve Turn Signal Light Hyper-Flash; New Products. The 7443 has four separate wire contacts protruding from the bottom. 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. 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