Due to bad plug connections in harness between selecter switch bank and rest of loom at bottom of cabinet.

Rock-Ola 449 I have a problem whereby the third digit won't select if it is a 3. ie: Selecting any of these numbers 103,113,123,143,153,163,173,183,193 results in nothing happening. Select 1st digit and second digit, solenoid under key selector engages, select the third, any number except a '3' and ...