Philips Ultinon Drive 5001L Manuel D'utilisation page 13

UD5050LX1 10 inch boost LED lightbar
9-30V DC
Red: +
Black: -
Yellow:+(Boosted light beam)
Blue: n/a
1
2
3
Red:+
Road legal*
Yellow:+
Boosted light beam, not for use on public road*
Black -
11
Fuse