Quote:
Originally Posted by steamship
Elsa shows the colours as:
1 - Black/Blue - Positive connection
2 - Brown - Earth connection
3 - Blue/Red - Reverse
4 - Red - Mirror motor
5 - Brown/Red - Mirror motor
6 - Red/Green - Front interior light and front reading lights
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That doesn't make sense, assuming it's a FL interior mirror you have.
The electrical functions that my dimming mirror has are:
1. Left reading light
2. Right reading light
3. Dimming sensors and dimming mirror
4. Feeds to exterior mirrors to dim them
5. Red downlights when the sidelights/headlights are on.
Given there's probably a control unit in there for the dimming it will need positive and earth.
The external mirror control could be one wire or two.
The reading lights can be switched separately by switches NOT in the mirror so that's at least 2 wires as well.
And the downlights would need a separate feed. Given that's linked to the car lights it may be ideal for the dimming power.
A bit of testing on the car should indicate most of those. Does the standard mirror include the reading lights?
Finally, I do wonder if there is already power anyway even if a non-dimming mirror is fitted? So maybe just plug and play? Or are you missing a plug?
My PF install needed power as the PF standard mirror is just passive.
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant.
2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one! 
Finally: gone, but not forgotten.....
1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors.
e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)
1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer.
And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850!
Last edited by HPsauce; 15th March 2017 at 06:26 PM.
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