From what i understand,
rotate your mirror using the switches on the door
i forgot which way to rotate it, it is either all the way down, or all the way outwards
when the motor function stops, Take your hand & move it past the point where the motor stopped it
Behind the mirror glass, there are 4 clips
i believe that you unclip the top 2 & that allows you to see the bottom 2
Use a bit of finesse on the clips
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if the mirrors rotate using the motors, you know that you have power to the mirror
the LEDs should also have power, if not, break out your Continuity Tester or a 6 - 12V Heavy Duty Circuit Tester
This is also a good time to change the color of the LEDs, if you wanted to do that