Old bakelite plugs crack easily

On older EM games the connector bodies are thin reddish-brown bakelite that turns brittle with age. Separate them slowly and evenly with both hands, never by levering one end.

Systems

• Electro-mechanical

Related tips

• Bally connectors: fatigued female pins
• EM feature dead: dirty interconnect plug

Source: Pinball Machine Care & Maintenance, Bernard B. Kamoroff (Bell Springs Pinball Alley)