Use crimp-on pins, not IDC, when replacing connectors

Insulation displacement plugs suit the factory line but give trouble over time. Hand-crimped pins are far more reliable, so use them for all replacement plugs.

Systems

• Data East CPU Version 1/2
• Data East CPU Version 3
• Data East/Sega CPU Version 3b

Related tips

• Hand crimp tools for Molex connector pins
• Molex crimp pin part numbers
• Connector stock for burnt-connector repairs
• Board header pin part numbers
• Connector housing and polarizing peg part numbers
• Burnt GI pin on the Data East power supply header: move it to a spare pin
• Repinning the GI connector: the yellow wire loop through the keyed position
• Resets from power supply connectors CN1 and CN2

Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part One, Clay Harrell (pinrepair.com)