HomeTagsBATT

Tag: BATT

BATT+ wire on the android headunit

B+ or Battery +, also known as permanent live, battery backup or memory live, often a yellow cable is used. These wires are all there to achieve one thing. That is to supply a permanent 12v live feed to a device in the car. The B+ should continue to be live even if the key is removed from the ignition and the car locked and alarm set.

Latest Articles