heres what ya do plug the iso`s in to the hu wires and the red (ign) wire to the red yellow (bat) to the yellow turn it all on. do not slide hu all the way home just prop it in the hole find and preset one station ok . once fitted turn and take out your ignition key wait a few second (10) and turn ignition back on if the preset that you set is still there and you dont have to tune it its sorted if not swap the red and the yellow wires over plug red into yellow and visa versa do same again preset one station and turn ignition off fully turn back on station should be ok. job done
