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How you shut off the Auto Dimming RV mirror on a 09 Mariner?

972 Views 1 Reply 2 Participants Last post by  jpark
I'm not a fan of auto dimming rear view mirrors, and I'd like to turn it off so that it's "normal" even at night. How do you turn it off?
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It doesn't appear that you can turn it off. We have them in our Edge and Fusion, and there are no controls on either mirror.

You can tie the reverse input to +12V, which will keep it on maximum brightness, if you want to modify the wiring.
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