When you are satisfied that the circuit board and all the components are wired correctly, attach a fresh 9v battery to the battery clip.
(you; are; satisfied that the circuit board and all the components are wired correctly, attach a fresh 9v battery to the battery clip) (the circuit board and all the components; are wired correctly; ) (the circuit board and all the components; attach; a fresh 9v battery)
you the circuit board and all the components the circuit board and all the components
are are wired correctly attach
satisfied that the circuit board and all the components are wired correctly, attach a fresh 9v battery to the battery clip
a fresh 9v battery