Rear lights...whats normal?

ACME SS said

Also, when the brake light is ON, BOTH filaments light up and when I remove the socket from touching ground, the lower filament goes out and the taller filament stays lit but dims down.I .

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Are you saying you are holding the socket in your hand? If the socket is not grounded, that sort of thing will happen

You are aware? that there are two flashers? One for turn, the other for hazard