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27th July 2020, 09:33 | #11 | |
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I have reached out to dim it myself quite a few times before I remember and realise it's an auto dim. The fact I'm conscious it needs to dim means I'm having a problem. One car's lights where that bright, and because he followed me for quite a few miles, I moved the mirror completely askew as it refused to dip and I was getting dazzled that bad. His lights where these HID type I think, Interestingly enough, when I ended up with a different vehicle behind, it dimmed no problem!!
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27th July 2020, 09:47 | #12 |
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Remember there is 2 sensors one forward one rear. The rear one picks up the light from behind and the front will monitor ambient light level and if the 2 levels are a certain range apart then it’ll dim. Wonder what it would be like for you dimmed all the time? Easily done just block the front sensor with tape.
I’m guessing the brighter lights reflecting off the screen make the front sensor think it’s brighter than it is. Sent from my iPhone using Tapatalk
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27th July 2020, 10:07 | #13 | |
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But then you can't manually dip it without re-adjusting the mirror. ------------------------- I'd suggest that you ensure that the sensor on the mirror side is clean, and maybe angle it downwards just a little more. Perhaps you can have a co-driver check whether light from the vehicle behind is actually hitting the sensor on those times it doesn't dip but you'd like it to. I wouldn't rule out there being a fault with the mirror, or it's wiring, making it work intermittently. P.S: Sometimes even when they do work it's not enough if you've got a modern range rover behind you - they dazzle whatever you do.
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27th July 2020, 12:31 | #14 |
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The manual mirror will fit the screen as it is the same fixing as the auto dining one, you will have to refit the auto dip plastic surround to your new mirror though.
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30th July 2020, 09:03 | #15 | |
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I think I'm going to go the way of fitting a "standard" mirror. I've got the choice then of what it does!
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31st July 2020, 23:04 | #16 |
Posted a thing or two
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I have just changed my manual mirror to an auto dim type. I can confirm it fits straight onto the window mount. I have a manual mirror here that you can have for free.
To answer a few questions, yes the manual mirror is slightly larger than the auto. If its wired in correctly, using all three of the wires, it will turn off any auto dim as soon as you select reverse gear. This is to avoid the situation mentioned here about reversing out of a garage. My new to me auto dim seems to work just fine. I have no issues with it, in fact I have noticed it dims slightly if vehicle approaches from behind even if the lights aren't really a problem. So, yes it it quite sensitive.
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1st August 2020, 18:03 | #17 | |
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I will need to recheck that, because so far as I remember, mine continued to dimmed in reverse.
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1st August 2020, 19:16 | #18 |
I really should get out more.......
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It shouldn't, one of the three cables connected to the mirror is from the reverse light circuit to prevent dimming in reverse.
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9th August 2020, 11:01 | #19 |
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I've today swapped my auto dim to manual dim mirror.
I wish I had had a look on this thread ( yes, I know I started it ) before I ordered one off fleabay. Many thanks for the offer of a free rear view Mike, I tend to check back on the forum every few days, so I'm not reading constantly! Anyway, it's fitted. I've got back a little bit of control! Does this make me a control freak? Possibly not as I've kept my rain sensor for the wipers!! All I need to do is test it out at night now!!! Size wise, the mirror glass is slightly wider, but not as long. I'm sure it'll surve me well!
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….And the latest thing to break is..... ### MG STANDS FOR "MY GREMLIN" !!! Last edited by Odd Job; 9th August 2020 at 11:04.. |
9th August 2020, 11:40 | #20 |
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