So I was installing an amp in my 2017 fiesta St and all was well but back speakers had no signal. The next day I soldered all connections to make sure they were connected fished all the wire through and buttoned it up. Now I can't even touch the audio button on touch, power radio on with central control or use steering wheel commands. Also, volume button doesn't work but I'm getting signal from all speakers. I verified battery cables and bolts were tight, did master reset and tried to update, nothing. Tried disconnecting battery for an hour, nothing. Any help with this would be greatly appreciated. I hope I didn't fuck up my car. I've done a lot of installs on other vehicles but none this complicated.
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Sent from my moto z4 using Tapatalk
