+9V (T) love super lead power connection question

[jimitrader]

+9V (T) love pedal super lead  ..My question is where to hook up pins 4 and 8? http://4.bp.blogspot.com/-F_mF-UZYhtQ/TxAYGzi_hmI/AAAAAAAAAdg/K0TVgdyB3Hs/s1600/SuperLead_v3.png
does it become a separate ground rail? thanks in advance for any help

[Kipper4]

Welcome to the forum.
pin4 goes to ground and pin8 to +9v look at the power supply top right of schematic.