just noob question just wana make it clear. is it ok to directly wire the constant 12v to the batt with fuse(what amp?) or i should follow the ecu constant 12v? if yes should it be, to the white/blue alt wire or the black/yellow ign wire? cause on the white/blue wire when i put it in ignition its 5.v but if pull apart the wire the white/blue wire reads 12v. im just lost need some help thanks guys