I'd guess it's a remote wire, similar to the remote wire for an amp.
You might try looking in the user guide, or ask the seller.
Anyone know what the Blue wire on the MiniTouch700 power harness is for? The Manual only covers Black/Red which is obviously +12V & Ground
It might be a backup camera wire. I don't remember what color mine is on my Lilliput, but I remember reading that the Minitouch has a camera function, too.
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the blue wire is a second way to get auto-switch working. In additional to the automatic switch method, you can apply power to that wire to have it switch. It's just another option basically. Very nice to have options!
That blue wire was blanked out inside my monitor. is it connected in your, if so can you post a picture of it?
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