secretstar07979 Posted October 22, 2016 Share Posted October 22, 2016 I have an aftermarket Pioneer head unit fitted in my new car and discovered today that the steering control reduces the volume when pressed both up and down? I can't turn up the volume on the wheel. Just the head unit. Is this an easy fix? Thank you Quote Link to comment Share on other sites More sharing options...
nimz Posted October 22, 2016 Share Posted October 22, 2016 You need the correct patch lead for your steering wheel controls to work with an aftermarket head unit, yours might be missing this or it may not be pushed all the way in properly. I seem to remember having a similar issue when I fitted my head unit and I just hadn't pushed the lead in properly. Looks like this: http://caraudiosecurity.com/29-007-pioneer-patch-lead 1 Quote Link to comment Share on other sites More sharing options...
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