Nissan 370Z Forum - View Single Post - Can't get head unit to dim with instruments

kenchan · 09-22-2011, 02:39 PM

you sure it's suppose to wire up to the RED wire? that's usually either a constant 12v or switched.

check with Big. i dont remember the harness colors off the top of my head but on both the 3100 and 4100 i have, they both dim when the headlights are on.

09-22-2011, 02:39 PM	#4 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	you sure it's suppose to wire up to the RED wire? that's usually either a constant 12v or switched. check with Big. i dont remember the harness colors off the top of my head but on both the 3100 and 4100 i have, they both dim when the headlights are on.