Dig Dug 2 no wah

[icecycle66]

I've tinkered with the gain and other trim pots and the wah doesn't work.
The trem works like a charm.
Sustitutions:
R5 = 3.9M
IC4 = CD4017BE

Voltages taken in by pass mode.

Voltages
IC1
1: 4.6v
2: 4.6v
3: 4.6v
4: 0
5: 4.6v
6: 4.6v
7: 4.6v
8: 9.2v

IC2
1: 4.6v
2: 4.6v
3: 4.6v
4: 0
5: 4.6v
6: 4.6v
7: 4.6v
8: 9.2v

IC3
1: 8.7v
2: bounces around
3: bounces around
4: 8.7v
5:  bounces around
6: bounces around
7: bounces around
8: 0v

IC4
1: 0v
2: 0v
3: 6v
4: 0v
5: 0v
6: 0v
7: 0v
8: 0v
9: 0v
10: 0v
11: 0v
12: 8.7v
13: 0
14: bounces around
15: 8.2v
16: 8.7v

Regulator:
O: 9.2
G: 0
I: 8.7

Q1
C: 0v ()
B: 1v
E: 4.4v

Q2
D: 8v
S: 7.5v
G: 0


Vac1
LED +: 3.4v
LED -: 1.7v
Across from LED +: 4.6v
Across from LED -:  4.6v

Vac2
LED +: 3.4v
LED -:  1.5v
Across from LED +: 0v
Across from LED -:  0v

Does anybody have any ideas on what's wrong?