I bought some LED park lights from ebay for my car, those wedge type w5w, stuck them in and they looked awesome for about 3 minutes. Soon as I turned on the main headlights. I pulled it out of the connections and stuck it back in the same thing. Then the other side started blinking.
Question is, why are they doing it? Seems others are on the net and having the same problem but cant find any real answers. Is there anybody here who can say for sure whats going on? Do I need the resister type, do I need a more expensive brand, maybe even a resister?

Please help.

I did not find the right solution from the Internet.

References: -
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