Unplug connectors by the housing
Pull a connector by its plastic housing, never by the wires; the wires are only crimped and can pull out, leaving an open or intermittent circuit.
Systems
Related tips
- Connector parts to keep for System 3-7 games
- Replace the 3J6 logic power connector
- Replace the 40-pin interboard female connector
- Removing the old interboard female connector
- Replace CPU board power connector 1J2
- Always replace both halves of a connector
- Replace IDC connectors on Firepower and later with crimp
- Remove terminal pins from a crimp housing
Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part One, Clay Harrell (pinrepair.com)