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Kenwood KDC-MP443U reverting to defaults

I've installed a KDC-MP443U into a car that previously had a KDC-7080R. The wiring assembly was basically the same, the only thing was that the Red and Yellow power wires had been swapped around in my Mitsubishi. I swapped them back in line with the KDC-MP443U instructions.
The new unit keeps defaulting back to original settings every time the car is turned off, so I lose any settings I've made.
I assume its because its not getting constant battery power, but am loathe to switch the two wires back in case I blow the unit.
Any advice would be great.
Cheers
Steve

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I don't think it will blow the unit if swapped...both of them should have power (~positive 12volts)...in the red wire power is supposed to cut off when you turn the ignition key to off...and the yellow wire is supposed to have power constantly(memory)

Posted on Oct 01, 2009

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