Anyone know if No. 3157 replacement bulb will work in DRL?
Hummer manual says DRL uses 4157K or 3157KX bulbs.
It is easy to find 3157 replacement bulbs, but I have not seen 3157KX, bulb sellers don't know either. In our manual, 3157 is the bulb for tail/stop/turn or back up lamps, seem like lesser lamps compare to DRL.
What does "KX" in 3157KX stands for? heavier duty?
I want to replace DRL bulbs with brighter white or LED bulbs.
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