986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Installing Pioneer AVH 4000NEX with Euro Motorsport Double DIN

dghii · 03-21-2015, 08:52 PM

The blue wire on red plug is the amplifer control signal. It is a 12Vdc signal from HU to amp to turn the amp on slight after the HU powers up.
The Pioneer System mute is the same signal, just silly name.

03-21-2015, 08:52 PM	#2
dghii Registered User Join Date: Sep 2008 Location: Florida Posts: 2,497	The blue wire on red plug is the amplifer control signal. It is a 12Vdc signal from HU to amp to turn the amp on slight after the HU powers up. The Pioneer System mute is the same signal, just silly name.