986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Stereo install, no 12V, help troubleshoot

dghii · 12-08-2014, 06:00 PM

swap 12V constant and 12 switched. Even though you have connected them correctly (color to color), they are backwards.
Went through this last winter with new JVC head unit and the Boxster wiring harness adapter.

12-08-2014, 06:00 PM	#7
dghii Registered User Join Date: Sep 2008 Location: Florida Posts: 2,497	swap 12V constant and 12 switched. Even though you have connected them correctly (color to color), they are backwards. Went through this last winter with new JVC head unit and the Boxster wiring harness adapter.