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Discussion Starter · #1 ·
95' RMW, Rear View Mirror, Map lites work fine. Trying to figure out the Switch between them, it lites, but does not seem to change the Day/Nite ?
 

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If it is not working, the only remedy is replace the mirror.
 

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If you are testing the mirror during the day, just having the switch on will not cause the mirror to dim. The mirror works by comparing the light between the front and rear of the mirror, if its dark up front and bright in the rear then it will get gradually darker. You can test it by blocking the front sensor and shining a flashlight onto the rear (mirror side) sensor and it should get darker. If it doesn't get darker then you may indeed have a broken mirror. Also in stock setup the mirror will not darken if the car is in reverse as a safety precaution. - Peter
 

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Discussion Starter · #4 ·
I will test today, thank you much.
 

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Discussion Starter · #5 ·
Put Black tape over front sensor , key on, switch on mirror lit, shined light from back, no change. Is it common for them to go bad ?
 
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