burgertime wire problem

pin 6 and 7 on the edge connector. the longer wire goes to 6. that this counting left to right if the facing you.(starting from the key side).
 
the blue wires on the larger pcb go from and to as follows:

pin 6 of the edge connector to chip D6. the pin on D6 chips is gate 3 output (3Y) which is pin 8 on the chip.

pin 7 of the edge connector to chip C6. the pin on C6 chips is gate 3 input (3B) which is pin 9 on the chip.

both these chips should be a DIP-14 package and 74LS00 chips.
 
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