Question 1

After install, these bulbs stay on and don’t flash when I use my turn signal.

Accepted Answer

Your flasher requires an electric current greater than a minimum to flow In the light circuit.  You can replace the flasher with one that doesn’t require that current (power is saved), or you can connect resistors, 8-10 Ohms, 25 Watt, in parallel with the leds (power wasted)

Question 2

Are these polarity sensitive? I have an issue of feedback to my instrument cluster turn indicators when I hit my brakes.

Accepted Answer

Is it only the cluster turn indicators that come on when you hit the brakes, or do other lights come on?
Do the brake lights on your car double as turn signal lights?

If it is only the turn signal indicators, and your brake lights are also used as rear turn signal lights, then you need to do one of the following:  A) Install load resistors.  B) Replace your turn signal flasher with one that is designed to be used with LED bulbs. C) Go back to using incandescent bulbs.

There is different issue:  With some LED bulbs that replace two filament incandescent bulbs, when you hit the brakes, some current feeds back into the tail light circuit. This can result in current flowing to the front parking lights, the side marker lights, and the instrument cluster back light.  If this is your problem, you can do one of these things:  A) Go back to incandescent bulbs. B) Try to replace these LED bulbs with a model designed to avoid this problem.  C) Have someone design and install a circuit with diodes to block the feedback.

Question 3

What is the total height of this bulb, including the base?

Accepted Answer

Not sure with the height, i didnt measure it. All i know is its the same size of the stock bulb on my elantra 2010

Question 4

why do the product pictures show 2 clearly different products? I want the ones in the box picture which say red intense not the bottom picture

Accepted Answer

In the box it comes 2 identical 1157 red led bulbs.  Theu are not different bulbs.

ASIN	B077FMHGFB
Auto Part Position	Outer
Automotive Fit Type	Universal Fit
Brand Name	Philips Automotive Lighting
Brightness	800 lumen
Color	Amber,Red,White
Color Temperature	6000 Kelvin
Fit Type	Universal Fit
Global Trade Identification Number	00046678721342, 50046678721347
Included Components	LED Bulb
Item Type Name	Ultinon LED (White)
Item Weight	9 g
Light Output Maximum	800 Lumens
Light Source Type	LED
Manufacturer	Philips
Manufacturer Part Number	1157WLED
Model Number	1157WLED
Package Quantity	1
Specific Uses For Product	specific_uses_for_product
UPC	046678721342
Unit Count	2 Count
Voltage	12 Volts
Wattage	1157 watts

1157WLED Ultinon LED (White), 2 Pack

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