Post by
Broadfield »
https://forums.nicoclub.com/broadfield-u46569.html
Wed Oct 29, 2008 1:16 pm
Yellow/red is your illumination input into the radio. So it will meter 12v+ when you turn the parking/head lights on. Red/yellow is the dimmer input. So it will vary from 12v+ to ground as you adjust the dimmer switch.
What is it exactly that you are trying to do?