Quote Originally Posted by RallyIt07 View Post
So is the +12 constant power, and the accessory switched power?
^^what he said. Im running gauges and want the gauge power to be on when the car is on and off when the car is off. I also want the gauges to dim when I dim my interior lights both of my gauges require a 12v source so do I tap the 12v line or do I tap the violet illumination line?

I've done tons of searching and just cant seem to find which wires I need to tap. Thanks for anyone that can help sorry for the thread jack.