Does the 3157 bulb really cause hyper flashing when used as blinker light?

short answer yes ( explanation ) in most cases yes, modern cars are designed to make your blinkers flash rapidly when you have a light out, if a bulb burns out then you have lower resistance or ( load ) in the circuit. LED use less power than a standard bulb so the system hyper flashes . you can add a load resistor to stop the flash , but you also lose the ability to tell if you have a light out also load resistor get very hot and if not installed correctly can cause damage, I would recommend replacing the relay with one designed to be used with LED . then everything will work the way it was intended. or just put the LED in and deal with the fact that your blinker will blink faster, and you will have to do a walk around your vehicle to check that all your lights work, just like we did before computers came along

Will this fit my 2005 surburban

These replace standard bulbs; I.e. 3057, 3157, etc., so I am fairly certain they will fit any vehicle that utilizes those bulbs

Would this fit a 2005 Subaru Forester?

check the number on your existing bulb, these lights work great and are really bright.

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iBrightstar3157 LED Bulb White, 4157 3156 LED Reverse Light Bulbs Super Bright for Tail Brake Lights Backup Lights Turn Signal Lights, 2 Pack

iBrightstar3157 LED Bulb White, 4157 3156 LED Reverse Light Bulbs Super Bright for Tail Brake Lights Backup Lights Turn Signal Lights, 2 Pack

4.4/5

Product ID: 36847275

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Details

Brand
iBrightstar
Specific Uses For Product
Indicator
Item Package Quantity
2
Color
White
Auto Part Position
Rear

⚡Wide 9-30V compatibility

💡54 SMD LEDs for ultra brightness

🛠️Plug & play easy install

Description

🚗 Light up your ride with brilliance that commands attention!

SLEEK ALUMINUM HOUSING - Max heat dissipation + projection lens for sharper light output
LONG LASTING DURABILITY - Up to 30,000 hours lifespan with IP65 waterproof rating
UNIVERSAL VOLTAGE RANGE - Works seamlessly with 12V & 24V vehicles—one bulb fits all
NON POLARITY PLUG PLAY - Hassle-free installation—no wrong way to connect
BRILLIANT DUAL MODE LIGHTING - Tail light dim & brake light bright modes for ultimate visibility

The iBrightstar 3157 LED Bulb is a high-performance automotive lighting solution featuring 54 SMD 3014 and 3 SMD 3030 chips per bulb, delivering over 300% brightness compared to halogen bulbs. Compatible with a broad range of 12V and 24V vehicles, it offers dual brightness modes for tail, brake, turn signal, and backup lights. Its durable aluminum housing with projection lens ensures superior heat management and light output, while the non-polarity design guarantees easy plug-and-play installation. Rated IP65 waterproof and boasting up to 30,000 hours of service life, this 2-pack is engineered for longevity and enhanced road safety.

Specifications

Brand	iBrightstar
Specific Uses For Product	Indicator Light
Item Package Quantity	2
Color	White
Auto Part Position	Rear
Operating Life	30000 Hours
Manufacturer	iBrightstar
UPC	700161893618
Item Weight	0.42 ounces
Product Dimensions	1.82 x 0.88 x 0.67 inches
Item model number	3157-3014/3030-54/3W
Is Discontinued By Manufacturer	No
Manufacturer Part Number	iBrightstar-3157-3014/3030-54/3W
Mirror Lighting Type	automotive-exterior-back-up-light-bulbs, automotive-exterior-brake-light-bulbs, automotive-exterior-combination-parking-and-side-marker-light-bulbs, automotive-exterior-parking-light-bulbs, automotive-exterior-side-clearance-marker-light-bulbs, automotive-exterior-tail-light-bulbs, automotive-exterior-turn-signal-light-bulbs
Voltage	12 Volts

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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iBrightstar3157 LED Bulb White, 4157 3156 LED Reverse Light Bulbs Super Bright for Tail Brake Lights Backup Lights Turn Signal Lights, 2 Pack

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