Disco 2 powerfold mirror upgrade - wiring help?

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Ush

Active Member
Posts
103
Location
Bristol, UK
Hi all,
Thought I'd treat myself to used set of powerfold mirrors as I do fold the mirrors in quite often. I didn't look into it properly before I bought some off of fleabay.. but came to find my Serengeti doesn't have the powerfold loom! There's plenty between Rave and this forum about to help me with building a loom, albeit I don't have the plugs necessary at present. Anyway, the used powerfold set showed up this morning and the glass in 1 of them is wobbly, one of the plastic toothed runners in the adjustment setup is broken. I guess I can use the mirrors I currently have to replace the runner., which'll obviously kill my plan to sell on the old ones.. but obviously I have gone back to the seller to report. I've suggested if he snips off the plugs I need from his donor vehicle I'll call it even. However, I've just noticed that one of the mirrors is folded in and the other isn't, which has me concerned that maybe one of them isn't working! Thing is, I obviously don't want to go through all the trouble of acquiring the bits and building the loom, only to find one of these mirrors doesn't work.

Question is: if I wire the 2 pin plug on the mirror direct to a live and ground, will the motor fold/unfold and then will switching the polarity drive it the opposite way?.. making sure of course to disconnect on completion of the movement, because I assume the its the BCU that cuts the voltage when it senses resistance, remembers whether they're in or out and reverses polarity etc?

Also.. switching out the plastic toothed runner easy enough?

Thanks in advance for any thoughts.. Cheers!
 
Question is: if I wire the 2 pin plug on the mirror direct to a live and ground, will the motor fold/unfold and then will switching the polarity drive it the opposite way?.. making sure of course to disconnect on completion of the movement, because I assume the its the BCU that cuts the voltage when it senses resistance, remembers whether they're in or out and reverses polarity etc?
Yes, giving direct feed it shoud fold and if you switch polarity the motor will turn the other way around... though be aware that the BCU is not involved, there is a dedicated folding ECU for that which is also needed to be wired in
 
Thanks for this sierrafery.. You've helped me out loads in the past and always pointed me in the right direction. As I say, I have the ecu but not the loom/plug yet and don't want to buy all the bits or build it until I know the motor works.. I'm starting to wonder if the 2pin plug are both live, each running the current a different way? And there's a ground being picked up from the other plug for the adjustment /heated stuff?
 
The ECU swaps ground and live across the two wires so you can bench test those motors as you intended first time, it's described in RAVE - Electrical library
 
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