I have two non-functioning CNX-P2140 PSUs. Both seem to have undergone some sort of short circuit due to excessive draw on the remote line. They do not power on or register when plugged into the USB port. However, after speaking with Carnetix and MP3car tech support, it may just be a simple capacitor that needs to be replaced. So if you have knowledge of electronics and circuits, you may be able to fix it. Original price for each is $140, I will sell them for $20 each OBO.
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