Connector parts to keep for System 3-7 games

For the interboard connector: 10-pin bottom-entry female 09-62-6104 or 09-52-3102 and 10-pin no-lock male headers 26-48-1241 or 26-48-1101. For other plugs: Trifurcon crimp pins 08-52-0113, 15-pin locking headers 26-48-1155, 15-pin housings 09-50-3151 and polarizing pegs 15-04-0220. Pins come out of a housing with the 11-03-0016 extraction tool.

Systems

• Williams System 3
• Williams System 4
• Williams System 6 / 6A
• Williams System 7

Related tips

• Unplug connectors by the housing
• 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
• .156" Molex connectors are rated for about 25 matings

Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part One, Clay Harrell (pinrepair.com)